How many grams of PbSO4 ( Ksp = 2.53 x 10A -8, Fwt 303 g/mol) could dissolve in 1 L of water? Select one: O a. 0.011 g b. 0.028 g c. 0.048 g d. 0.035 g

Q: Ksp

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Q: 20. 50 ml of a 0.874 M HNO3 solution is diluted to 0.250 l.  What is the concentration of the…

A: Given values: Initial volume: V1 = 50 mL Initial concentration: C1= 0.874 mL Final volume: V2 = 0.25…

Q: Calculate the concentration in ppm of Cd in a 2.00 mL sample which has been shown to contain 16.4 ug…

A: Solution stoichiometry involves the calculation of the concentration of solutions in the given…

Q: What is the concentration of ammonia in a solution made by dissolving 3.75 g of ammonia in 120.0 L…

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Q: At 0 °C and 1.00 atm, as much as 0.70 g of O2 can dissolve in 1 L of water. At 0 °C and 4.00 atm,…

A: Solution is the one of the form of liquid where the components are dissolved uniformly in the…

Q: How to prepare 2 liters of 0.1 N H2SO4 solution? (H2SO4; MA = 98 g / mol; 96% and d = 1.84 kg / l)

A: Given data, Molar mass of H2SO4 is 98 g/mol. Density=1.84 kg/L and 96% by mass. For find out the…

Q: What volume of concentrated 15.75 mol/L nitric acid would a lab technician need to make 5.50 L of…

A: We know, volume multiplied by concentration gives the number of moles of that substance. Here, the…

Q: How many grams of Na2S2O3 are needed to prepare 87.0 mL of a 5.00 %(m/v) Na2S2O3solution?

A: Percentage mass by volume is defined as moles of solute per 100 mL of the solution and it can be…

Q: What mass (in grams) of Mg(N03)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2 (At wt Mg…

A: Since, Moles of Mg(NO3)2  Present = molarity of solution X Volume of solution in L Molarity of…

Q: 8. Which of these molecules is the least soluble in water? ОН HO. НО a. b. c. d. e.

A: Alcohols are more soluble than ethers of comparable molecular masses because alcohols form hydrogen…

Q: What is the mass of KCIO3 that can be dissolved in 200g of H20 at 90° C?

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Q: A. Solution of Zn?* ions has a concentration of 5.1 x 104 mol/L. What is the concentration of Zn²*…

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Q: ) A sample with mass of 2.6g contains 3.6 µg of zinc; calculate the concentration of zinc in ppm? 8)…

A: Q7)                                                         Mass of sample = 2.6 g…

Q: What is the pOH of 500 mL of solution containing 0.533 grams of Ca(OH)2 (molar mass 74.09 g/mol at…

A: pH + pOH = 14

Q: How many grams of boric acid [B(OH)3, FM 61.83] should be used to make 2.00 L of 0.050 0 M solution?

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Q: A 500 mL sample of waste water contains 42.65 ug of mercury, Hg. If the density of the sample is…

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Q: 28. How many grams of NaOH must be added to 0.30 L of water to make a 2.0% (w/v) solution? A) 60. g…

A: 28. Given :- volume of water = 0.30 L  % w/v = 2.0 %  To calculate :-  Mass of NaOH

Q: Sorry the image might be blurry. The questions says, "what is the solubility of silver nitrate if…

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Q: The solubility of Fe2(CO3)3 is 0.032 mol/500 mL of solution. What is the Ksp of Fe2(CO3)3? Select…

A: Given,  Solubility of Fe2(CO3)3 = 0.032 mol/500 mL  What is the solubility product of Fe2(CO3)3 ?…

Q: What is the mass percentage of iodine in a solution containing 0.035 mol I2 in 125 g of CCl4? (b)…

A: Given information: Moles of I2 = 0.035 mol Mass of CCl4 = 125 g Mass of Sr2+ ions = 0.0079 g

Q: 4. A sweet smelly liquid commonly used in bake-shop and sometimes used at home to make deserts. It…

A: Answers are tabulated below : 1.  essence (vanilla) 2. perfume 3. alcohol spirit 4. calcium…

Q: Why does more CO2 than O2 dissolve in liquid when both gases are at the same pressure? b. Name the…

A: Maximum gasese are soluble in liquid such as water though their Solubility depends on several…

Q: How many grams of Pb(NO3)2 (331.2 g/mol )are needed to prepare 100 ppm (w/v) of Pb* (207.2 g/mol) in…

A: The molar mass of Pb(NO3)2 is = 331.2 g.mol The molar mass of Pb is = 207.2 g/mol The concentration…

Q: What is the level of heavy metal (in ppm) in a 3.89 kg sample that has 0.9 mg of the heavy metal…

A: PPM stands for parts per million.  It is used when solute concentration is very very low.

Q: If there are 2.0 mg of Pb+2 ions in 1.0 L of water, what is the concentration of lead in ppm? a.…

A: PPM means parts per million  So it can be calculated by mass/volume  PPM can be written in mg/L also…

Q: Which of the following substances is least likely to dissolve in water? Select one: O HOCH2CH2OH O…

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Q: ALLIED HEALTH How many grams of KCl must be added to water to create 5.0 L of an 0.020 M KCl…

A: Molarity is given by the equation: Molarity (M) = Number of moles (n) ÷ Volume of…

Q: What is the mass of Potassium lodide (KI) that will dissolve in 50 g of water at 5°C? O a. 72g O b.…

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: A 40.440.4 g sample of ground water is found to have a lead concentration of 15.8915.89 ppm.…

A: Given : Mass of ground water sample = 40.4 g And concentration of lead i.e Pb = 15.89 ppm

Q: What is the final concentration (M) of a solution prepared by diluting 50.0 mL of a 6.00 M KCI…

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Q: e concentration of Br in a sample of seawater is 9.3 · 104 M. If a liter of awater has a mass of 1.0…

A: Molatity of Br-  solution = 9.3 × 10-4 M  Mass of seawater taken = 1.0 kg  Volume given = 1.0 L

Q: 1. (a) Calculate the mass percentage of Na2SO4 in a solution containing 10.6 g NazSO4 in 483 g…

A: Mass percentage is given by the ratio of mass of the substance to that of the total mass multiplied…

Q: What will be the molarity of a solution of 0.1 M HCI of volume 2 lit if it is diluted to6 lit ? 6 M…

A: Given, the initial molarity of HCl = 0.1 M Initial volume of solution= 2 liter Final volume of…

Q: How to prepare 2 liters of 0.1 M H2SO4 solution? (H2SO4; MA = 98 g / mol; 96% and d = 1.84 kg / l)

A: For preparation of sulphuric acid , we can calculate first Molarity using Following formula -…

Q: Barium sulfate is a contrast agent for X-ray scans that are most often associated with the…

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Q: Calculate the molarity of C6H1206 in solution if 4.5 g was dissolved in 50 ml of H2O.…

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Q: Carbon tetrachloride, once widely used in fire extinguishers and as a dry cleaning fluid, has been…

A: Here we use the colligative property of solution which is elevation in boiling point on addition of…

Q: 1. a/ Calculate the amount of CCl4 needed to prepare 0, 0.04, 0.08, 0.12, 0.16 and 0.20 M solutions…

A: Given:Concentrations = 0, 0.04, 0.08, 0.12, 0.16 and 0.20 MVolume = 25 mL = 0.025 L.Molar mass of…

Q: Dr. V. is making spaghetti for dinner. He places 4.01kg of water in a pan and brings it to a boil.…

A: Given, Pressure = 1atm Kb = 0.52 oC /m Boiling point of pure water = 100oC Mass of solvent = 4.01kg…

Q: A 10 ml sample of water from the lake was brought to the laboratory for analysis. The amount of…

A: The concentration of amount of oxygen dissolved in water is one of the parameters that is used to…

Q: At 23°C, 85.0 grams of NaNO3(s) are dissolved in 100. grams of H;O(1). 2. Based on Table G,…

A: Answer:- This question is answered by using the simple concept of solubility of salts in water at…

Q: What is the mass of Potassium nitrate (KNO3) that will dissolve in 75 g of water at 48°C? а. 25g b.…

A: Solubility of a solute in a solution is defined as the minimum mass of solute dissolved in 100 g of…

Q: A silver nitrate solution contains 29.53 g of primary standard AgNO3, in 1.00 L what volume of this…

A: We have to calculate the volume of solution  .

Q: A 1.2000 g sample of (NH4)2Ce(NO3)6 (548.23 g/mol) is dissolved in water and diluted to 100.0 mL.…

A: Given the mass of (NH4)2Ce(NO3)6 dissolved = 1.2000 g  Molar mass of (NH4)2Ce(NO3)6 = 548.23 g/mol…

Q: sample of cadmium weighing 3.139 g is dissolved in 3.00 M HCl. What (minimum) volume of HCl is…

A: Given that: Mass of cadmium = 3.139g Molar mass of Cadmium = 112.4g/mol Moles of Cd =…

Q: Calculate grams of sucrose that must be added to 432.3 grams of water to prepare a 8.48 % by mass…

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Q: If you have 13.5g of Cl2 and dissolve in 1.5 L. of cyclohexane what is molality of solution, density…

A: Molality of solution is defined as the number of moles of solute present in 1 kg of solvent.  Number…

Q: If 2.25 liters of water are added to 0.132 L of a 18M K2SO4 solution, what will the molarity of the…

A: Given information is as follows:     The molarity of K2SO4 solution M1 = 18 M The volume of the…

Q: 92.56 grams of mercury have contaminated a drinking water source with a volume of 7.5x105 m3. Does…

A: EPA guidelines for level of mercury in water is: 2μg/L = 2 × 10-6 g/mL Given: Mass of mercury =…