6. Chemical Quantities & Aqueous Reactions

A 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions?

8.00 g of NaOH are dissolved in water to make 4.00 L of solution. What is the molarity of the NaOH solution?

A 0.200 M K2SO4 solution is produced by ________.

What is the integer value of the molarity of a CH3OH solution with a concentration of 1.225 M?

A procedure requires 0.00168 moles of a 0.107 M NaOH solution. To deliver this many moles of NaOH, a total of ___ mL of the NaOH would be needed.

What is the molarity of methanol in the solution prepared by dissolving 20.2 mL of methanol in 100.0 mL of water, given the final volume is 118 mL and the density of methanol is 0.782 g/mL?

A solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25°C. The final volume of the solution is 118 mL. The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, what is the mass percentage of methanol?

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. What is the molarity of Cl⁻ ions in this solution?

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. What is the molarity of Cl⁻ ions in this solution?

A stock solution of Pb(NO3)2 (315 mL, 2.5 M) contains how many Pb²⁺ ions and how many nitrate ions?

A student determined that the equivalence point for the titration of 2.387 g of a diprotic acid with 1.049 M NaOH was 48.35 mL. Calculate the molar mass of the acid.