An antibiotic suspension was prepared by adding 55 mL of distilled water to 28 g of antibiotic powder mix. If the volume of the final product was 100 mL, the specific gravity of the antibiotic suspension is _____.
Q: Six hundred kilograms [kg] of paint solvent will be stored to remove the paint display on the…
A: To calculate the energy , first we would use formula : Q = m × C × ∆T When we can use conversion…
Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K: 22HI(9) Calculate the…
A:
Q: How many gra ) 1100 g 3) 550 g C) 280 g ) 17 g ) 1.5 g
A:
Q: How many rings are present in C₁4H20? This compound consumes 2 mol of H₂ on catalytic hydrogenation.…
A: The double bond equivalent(DBE) is used to find the no. of double bonds in the given molecular…
Q: A sample of 2-bromobutane has an enantiomeric excess (e.e.) of 45.0% favoring the I-enantiomer. What…
A:
Q: Calculate the molarity of each solution. 61.3 g of C2H6O in 3.2 L of solution Express your…
A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…
Q: 2. Rank the following 0.10 M solutions in order of increasing pH: NHÅBr, HBr, KBr, NH3.
A: Answer : HBr is strong acid ( pH is 1) as per the formula of -log [H+] = -log(0.1) = 1 NH3 is weak…
Q: O XCl₂(aq) + AgNO3(aq) A A OX(NO3)2(aq) + AgCl(s)
A: GIVEN BALANCE THE GIVEN REACTION
Q: +] drogen ion concentration. drogen ion concentration in a solution is 5.58 x 10-3 mol/L, the pH is…
A: pH of solution is defined as negative logarithm of hydrogen ions when dissolved in water. Given H+…
Q: Choose all of the processes from below which describe changes which are independent of the path by…
A: ANSWER: Independent a. the elevation increase experienced by a traveller travelling from Grand…
Q: Given the solubility of zinc hydroxide to be 3.7 x 10-4 g/L, the pH of a saturated Zinc hydroxide…
A:
Q: All of the following compounds are insoluble in water except: AgCl BaSO4 CaCO3 CuCl2 Cu(OH)2
A: Answer:- This question is answered by using the simple concept of solubility of the ionic compounds…
Q: Xeljanz is a medication used to treat rheumatoid arthritis. Draw the enantiomer of the molecule…
A: The molecules with the same molecular formula but different structures are known as isomers. If the…
Q: 1. Calculate the pH of the following solutions: a. A solution prepared by mixing 30.0 mL of 2.0M…
A: #1: #(a): Formic acid(HCOOH) is a weak acid with pKa = 3.75 NaOH is a strong base.
Q: his figure shows a group of water molecules. Mac H- H 0: H :0-H I ow many water molecules are in…
A: Covalent bond is formed by the sharing of electrons between the atoms to attain a stable noble gas…
Q: Br bromobenzene 1) Mg, Et₂0 2) (acetone) HO, 2-phenyl-2-propanol please show the COMPLETE mechanism!
A:
Q: A formula calls for 3.22 kg of an oil whose specific gravity is 0.922. The volume in liters to be…
A: Density of oil = specific gravity of oil * density of water Density of oil = 0.922 *1g/ml = 0.922…
Q: D Question 2 For the following solution, calculate the pH. K = 1.8 x 10-5 0.15 M CH3COOH Question 3…
A:
Q: Given 2NOBr (g) --> 2NO (g) + Br2 (l) The reaction is second order and rate constant is 1.45 1/Ms…
A:
Q: What is the maximum mass of H2OH2O that can be produced by combining 67.0 g67.0 g of each reactant
A:
Q: equatorial, groups conformation. If a group divides its time equally betwee ax/eq. The table of…
A: Stereochemistry is a branch of chemistry in which we deal with three dimensional arrangement of…
Q: You are assigned to synthesize potassium chlorate using 10 grams of sodium hypochlorite and 10 grams…
A: #Q.1: Note: The formula of potassium chlorate is KClO3, not KOCl3. The formula of sodium chlorate…
Q: Calculate the lattice enthalpy for RbCl. You will need the following information: Species A,H",…
A:
Q: Butanol is 64.81% carbon, 21.59% oxygen, and 13.60% hydrogen by mass. What is the molecular formula…
A: Given that the Butanol is 64.81% carbon, 21.59 % oxygen and 13.60 % hydrogen by mass. The molar mass…
Q: Balance the equation for the removal of Zinc ZnSO4 + Cu + HCl ->
A:
Q: Suppose a certain compound contains only hydrogen and oxygen. Analysis of a 10.00 g sample of this…
A:
Q: The weak acid HZ has a Ka of 1.55 x 10-4. Calculate the pOH of 0.045 M HZ.
A: Weak acid will dissociate partially to give hydronium ion in solution . So we need to draw ICE table…
Q: O CI
A:
Q: The following data are for the gas phase decomposition of dimethyl ether at 500 °C. CH3OCH3(g) →→→…
A: Given -> CH3OCH3(g) ----> CH4(g) + H2(g) + CO(g) Half life is the time at which concentration…
Q: 3. Alanine is a diprotic amino acid. a. Make a ladder diagram for alanine. b. Draw the predominant…
A: Alanine is an amino acid. In the given question, it is asked to make a ladder diagram of alanine and…
Q: Write the empirical formula corresponding to Cr₄O₆
A:
Q: Br Identify the relationship between the following two compounds. Br Br Br A) identical B)…
A: ANSWER: The correct answer is option (D) Diastereomers.
Q: Draw the conformation for methoxycyclohexane with the methoxy group axial and the conformation with…
A:
Q: 1. Find the change in entropy if 72.5 g of aluminum, originally at 225°C, is melted. (HINT you need…
A: To find out the change in entropy when 72.5 g of aluminium initially present at 225°C is melted.…
Q: Based on the graph below, a mixture of benzene and toluene, which contains 20 mol % of the lower…
A:
Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3 (Si₂05) (OH)2 An…
A: Given, Chemical formula of talc: Mg3(Si2O5)2(OH)2 moles of Oxygen (O) = 67.2 moles moles of Hydrogen…
Q: What are ΔS, ΔSsurroundings and Stot for a mole of perfect gas that halves its volume isothermally…
A: ∆Ssystem = -∆Ssurrounding ∆Stotal = 0 (for reversible)
Q: A student proposes the following Lewis structure for the isocyanate (NCO) ion. _|:N−0= Assign a…
A:
Q: Data Table 1. Increasing Hydrogen-1 # Hydrogen-1 # Hydrogen-2 atoms (purple) atoms (green) 1 10 10…
A: We are given the experimental data for the average atomic mass for different percentages of…
Q: An experiment requires 150.0 mL a 0.255 M solution of MgCl2. How many grams of MgCl2 are required?
A:
Q: 0 o
A:
Q: After the experiment, a student decides to dispose of their excess Mg safely by reacting it with…
A:
Q: The following Lewis diagram represents the valence electron configuration of a main-group element.…
A:
Q: This is the chemical formula for iron(II) hydroxide: Fe(OH)2. Calculate the mass percent of oxygen…
A:
Q: Predict the major product formed when hexanoyl chloride is treated with C6H5CO₂Na. Modify the given…
A: Acid chloride reacts with sodium acetate to give anhydrides.
Q: Among its other ingredients, VISINE-A eyedrops contain the active ingredients: 0.025% w/v…
A: percent strength of benzalkonium chloride can be calculated by considering how much it would present…
Q: Combine each pair of ions to get the formula of the compound they form: Cu²+ Cl Pb4+ 0²- K+ CO2-…
A:
Q: What does the Ellingham diagram show? Name some metals that can and cannot be purified by reducing…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Formic acid (BP = 101 °C) and water (BP = 100 °C) form a negative azeotrope boiling at 107 °C at 78%…
A: Boiling point of Formic acid = 101 °C Boiling point of Water = 100 °C Mixture of Formic acid and…
Q: The explosion of nitroglycerine is described by the equation 4C3H5(NO3) 3 → 12CO2 + 10 H2O + 6N2 +…
A:
An antibiotic suspension was prepared by adding 55 mL of distilled water to 28 g of antibiotic powder mix. If the volume of the final product was 100 mL, the specific gravity of the antibiotic suspension is _____.
Step by step
Solved in 2 steps
- I had a 6.00 M NaOH solution and I diluted it to a 50mL solution of 0.300 M NaOh solution by adding 2.5 mL of NaOH and filled it up to the mark using DI water. I also had to make a 50mL of a 0.300 M NaCl solution by adding 0.8g of NaCl. I then pipet 20mL of the 0.300M NaOH solution into a small beaker and pipet 10.0mL of 0.300 M NaCl into it. What is the molarity/concentration of NaOH in the new solution I created by dilution? I need to use the formula M1V1=M2V21)An aqueous solution of methyl alcohol is made by transferring 26.4 mL of liquid methyl alcohol to a 300.mL volumetric flask,and then adding enough water to fill the flask to the mark.What is the volume/volume percentage of methyl alcohol in the solution? Volume/volume percentage =____% 2)An aqueous solution of methyl alcohol is made by transferring 29.6 mL of liquid methyl alcohol to a 500. mL volumetric flask,and then adding enough water to fill the flask to the mark.What is the volume /volume percentage of methyl alcohol in the solution? Volume/volume percentage =____%A 1.5L nitric acid solution was prepared by mixing 5mL of concentrated nitric acid (SG = 1.42) with sufficient quantity of water. What is the weight (grams) of nitric acid? 0.284 g7.100 g3.520 g2130.000 g What is the molecular weight of nitric acid? 64.020 g/mol 63.012 g/mol 31.014 g/mol 47.013 g/mol What is the molarity of the solution? 0.037 M 0.075 M 0.073 M 0.035 M What is the pH of the solution? 1.124 1.456 1.137 1.432 Which best characterizes the solution?Strong base Weak acid Weak base Strong acid
- A 5.04 g sample of a solid containing Ni is dissolved in 20.0 mL water. A 5.00 mL aliquot of this solution is diluted to 100.0 mL and analyzed in the lab. The analyzed solution was determined to contain 5.53 ppm Ni. Determine the molar concentration of Ni in the 20.0 mL solution. concentration: M Determine the mass, in grams, of Ni in the original sample. mass: g Determine the weight percent of Ni in the sample. weight percent: % * TOOLS x10Calculate the molarity of a Sulfuric acid reagent (98% w/w) with a specific gravity of 1.80.Solid particles in water may exist in 3 ways - dissolved, dispersed, or suspended. (True/False) When a previously dissolved solid separates from water either via chemical reaction or a change in certain condition like pH or temperature, it forms a______.
- A student must prepare 7.00 L of 0.100 M Na2CO3 (106 g/mol). Which is the best procedure for preparing this solution? Measure 74.2 g Na2CO3 and add 7.00 kg of H2O. Measure 10.6 g Na2CO3 and add 7.00 kg of H2O. Measure 74.2 g Na2CO3 and add H2O until the final homogeneous solution has a volume of 7.00 L. Measure 10.6 g N22CO3 and add H2O until the final homogeneous solution has a volume of 7.00 L. Measure 74.2 g Na2CO3 and add 7.00 L of H2O.CI concentrated X 1. LIAIH₁ 2. H₂O* NaOH 0°CA pool contains 4500 gallons of 1.4% chlorine solution, which means that 1 4% of the liquid in the pool is actially chlorine: the rest is water. The goal is to find how many gallons of chlorine would need to be added to increase the concentration in the pool to 3%. Round your answer to the nearest gallon. ___ gallons would need to be added to increase the concentration in the pool to 3%
- A stock standard of uric acid contains 100 mg/100 ml. A working standard is made by diluting the stock standard 1.0 ml in 200 ml deionised water. What is the concentration of the working standard in mg/ml?Refill the burette with the standardized 0.5 M NaOH solution provided. Record the initial volume of NaOH in your notebook. Dispense a 10.00 mL aliquot of vinegar into a clean, dry 150 mL beaker (do not pipet directly from the bottle). Dilute this aliquot with exactly 75.0 mL of distilled water. Add 10 drops of phenolphthalein solution. a) Determine the mass of Acetic Acid in the Vinegar solution for each of the three trials in the titration procedure. Average the results. b) Determine the mass of the vinegar solution used for each titration. The density of vinegar is about 1.005 g/mL. c) Determine the Percentage Acetic Acid in the Vinegar.Calculate the amount of sugar needed to make 100 ml of 40 degree brix syrup. Specific gravity of 40 degree brix solution is 1.178.