An impure sample of KHP had a mass of 1.520 g, It was dissolved in titrated with 38.5 ml of 0.155 M NaOH solution. Calculate the % putity.

A 0.772 g Mixture containing only sodium chloride. and potassium chloride was dissolved in water. It required 32.9 mL of 0.366 M AgNO3 to completley percipitate all the chloride present. What is the percent composition by mass of sodium chloride. and potassium in the mixture?. Amass percent NaCl = #mass percent KC1 =

If 25.0 mL of 2.00 M H2SO4is diluted to a volume of 150.0 mL what is the final concentrationof the solution? How many grams of H2SO4would be present in the solution?

8.21 mL of 4.00 M acetone is combined with 10.0 mL of 1.00 M HCl, 15.0 mL of 0.00500 M I2 and 7.18 ml of water.  What is the concentraion of acetone in the final mixture?

Masses :  Ca = 40.08 g   S= 32.07 g  O= 16.00 g  A 35.0 mL sample of CaSO4 was evaporated to dryness, leaving 0.967 g of residue. What was the molarity of the original solution?   step by step please

25.00 mL of 0.125 M aluminum chloride solution is mixed with 25.00 mL of 0.100 M sodium hydroxide solution. What mass of aluminum hydroxide will be formed?

A 0.415 g sample of aspirin prepared in the laboratory is dissolved in 95% ethanol, diluted with water, and titrated to the endpoint with 18.5 mL of a 0.135 M NaOH, what is the % purity of the aspirin.

50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17). What is the % by mass of sucrose in the solution?

A 547 mLmL NaClNaCl solution is diluted to a volume of 1.45 LL and a concentration of 3.00 MM . What was the initial concentration? Express your answer with the appropriate units.