If I put 80g of NaOH in 0.5L of H2O, what is the molar out of solution?
Q: how much copper ion remains at equilibrium?
A:
Q: How many moles of ions are in 1.75 mol of K2SO4?
A: Introduction: The charge particles present on the elements are known as ions.
Q: How many ml 2M NaOH would it take to neutralize 20 ml of 0.5M HCI?
A: Given: Concentration of NaOH , M1 = 2 M Volume of NaOH, V1 =? Concentration of HCl, M2 = 0.5 M…
Q: How many g of NaCl are in 2.5L of D50WNSS?
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Q: How many moles of sodium hypochlorite can be prepared from 32.5 g of NaOH?
A: Moles of Sodium hydroxide equals moles of Sodium
Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=
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Q: How many grams of calcium chloride (CaCl2; molecular weight = 111 g mole−1) would you dissolve in…
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Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…
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Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…
A: When we describe a concentration as a percentage without specifying the type of formula, we imply…
Q: How many kilocalories are needed to vaporize 5.8 mol of Br2?
A: Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in…
Q: What is the empirical formula for a compound that is 26.56% potassium, 35.41% chromium, and 38.03%…
A: A compound's empirical formula communicates a ratio between the numbers of atoms of various elements…
Q: What mass of nitrogen monoxide would be produced by complete reaction of 17.0 g of ammonia?
A: Nitrogen oxide is a colorless gas with the formula NO. It is one of the principal oxides of…
Q: 50X TBE is 87 mM Tris-borate and 4 mM EDTA at pH 8.3. What is the molarity of each of the chemicals…
A: Given In 50X TBE 87 mM tris-borate 4 mM EDTA pH 8.3
Q: How many grams of digoxXin (LANOXIN) would be required to make 25,000 tablets each containing 250…
A: This is a word problem where first we have to find out how many micrograms do the 25,000 tablets…
Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…
A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…
Q: What mass of gallium oxide, Ga2O3, can be prepared from 29.0 g of gallium metal? The equation for…
A: A chemical reaction where there is loss of electrons or gain of oxygen and resulting in the increase…
Q: How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?
A: Stoichiometry is a section of chemistry that involves using relationships between reactants and/or…
Q: 5. A 0.8720 g sample consisting solely of sodium bromide and potassium bromide yields 1.505 g of…
A: NaBr is sodium bromide KBr is potassium bromide AgBr is silver bromide Molecular weight, Na=23…
Q: The standard heat of combustion of liquid methyl cyclopentane, C6H12(l),C6H12(l), was measured to be…
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Q: If a 1.20 L of strawberry wine is 10.5% alcohol by volume, how many ml of the solution is ethanol?
A: Wine is an alcoholic beverage produced from honey, fruits like grapes, pineapple, strawberry, etc.…
Q: The OH ] of a solution can be determined from the pOH using the equation OH"]= 10" POH
A:
Q: How many grams of CH3OH can be made from 10.0 g of CO if it all reacts?
A: Methanol (CH3OHCHX3OH) is made by reacting carbon monoxide (CO) and hydrogen (H2) at high pressure:…
Q: If a 0.2g of oil consumed 1ml of sodium thiosulphate, calculate its Iodine value and classify the…
A: Lipids are classified into fats, oil, and wax. Fats are also called triglycerides, where three fatty…
Q: You have a 20% stock of NaCl, a 30% stack of KHPO, 2.5 M NH CI and 10 mg/ml stock of ampicill a. How…
A: The total number of shares that are literally listed (bought and sold) throughout the business day…
Q: How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?
A: Given Values: Volume = 1 L Concentration of CuSO4 = 8 gL
Q: To make up a solution of phosphate buffered saline (PBS), you need 10 mM Na2HPO4 (anhydrous) (FW:…
A: Convert the constituents in grams by multiplying with the respective molarity to convert grams per…
Q: What is the equivalent of 7 ppb in µg sol/L?
A: ppb means parts per billion.
Q: Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH,CH,CO,H, pK, = 4.874).…
A:
Q: the vapor phase concentration in ppm(v)?
A: Vapour phase concentration is the amount of water vapor present in a unit volume of air, usually…
Q: Determine the molar mass of Mg(OH)₂. Provide an answer to two decimal places.
A: Molar mass is calculated with the help of atomic masses.
Q: How many grams of Cl2 are needed to react with 50.0 g of CH4?
A: As we know to react with the CH4, 2moles of Cl2 are required. So following is the balanced chemical…
Q: given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL…
A: Given Values: The concentration of the stock solution of dextrose = 10% Concentration of the final…
Q: What is the empirical formula of a compound that contains 72.0% carbon, 12.0% hydrogen and 16.0%…
A: Empirical formula It is the formula of a compound in which the exact number of each atom is not…
Q: Balance the following (fictional) chemical equations by supplying the correct coefficient. Do not…
A: A section of chemistry that deals with the relationship between the reactant and products involved…
Q: The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your…
A: Freezing point depression is a colligative property and it is noticed in solution when solute…
Q: Determine the number of moles in 1.95 x 1023 formula units of MgCl2.
A: Given: Formula units of MgCl2=1.95×10233 No. of moles of MgCl2=?
Q: A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is…
A: Reaction between KBr and AgNO3 given as: KBr + AgNO3 --> KNO3 + AgBr
Q: How many moles of HCl are there in 75.0 mL of 0.160 M HCl?
A: Molarity can be stated as the soluble moles of solute, which is dissolved per liter of solution.
Q: What volume of 0.10NH2 SO3 will be required to neutralize a solution containing 10.0grams of…
A: Given Values: Weight of Ca(OH)2 = 10 grams The molecular weight of Ca(OH)2= 74 Normality of H2SO4 =…
Q: Balance the following equation, and tell how many moles of nickel will reactwith 9.81 mol of…
A: The balanced chemical equation is a chemical equation in which both sides of equation contains equal…
Q: What is the mass in grams of 24.2 moles of NaCl?
A: Moles can be stated as amount of any substance, which is measured in grams, liters, atoms, or…
Q: With the Boltzmann distribution, the population of electrons that correspond to the en- ergy levels…
A: Asked : Boltzmann distribution doesn't give population of electrons corresponding to energy levels
Q: need to make upv3L of a 0.9 solution of CaCl2, how many grams will I need?
A: Given Volume = 3L Molarity of solution = 0.9 M Mass of CaCl2…
Q: Use the following balanced equation for problems 1–5. Molar masses are given below. 2 As + 3 H2 2…
A:
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- To make up a solution of phosphate buffered saline (PBS), you need 10 mM Na2HPO4 (anhydrous) (FW: 141.96 g/mol), 3 M NaCl (FW: 58.44 g/mol), and 5mM KH2PO4 (FW: 136.09 g/mol). How many grams of each will you need to make up 850 mL of PBS?What is the molarity of a NaOH solution if 48.0 mLneutralizes 35.0 mL of 0.144 M H2SO4?Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the HCl solution?
- A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What is the concentration of hydrochloric acid? The balanced equation is HCI + KOH - H,O + KCI O 0.75 M O 0.25 M O 0.214 M O 0.786 MHow many moles of ions are in 1.75 mol of K2SO4?How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution at a concentration of 10 mmol/L? 203.30 mg O1.017 g O 1016.50 g 10.17 g 2.033 g
- An unknown mixture is known to contain only Ba(OH)2 (MW=171.34 g/mole) and NaOH (MW=40.0 g/mole). If the mixture is known to contain 45% by mass NaOH, and 8.0 grams of the mixture is dissolved completely in 50.0 ml of solution, answer the following. c).If 10.0 ml of a 0.2 M solution of Na2SO4 was added to the 50.0 ml solution, what would be the final concentration of Na+ in solution.The molarity of naoh is 0.1715If 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?