6. Chemical Quantities & Aqueous Reactions

A solution is prepared by dissolving 28.4 g of glucose (C6H12O6) in 355 g of water. The final volume of the solution is 378 mL. What is the molarity of the solution?

What is the molarity of methanol in the solution prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25°C, given that the final volume of the solution is 118 mL and the density of methanol is 0.782 g/mL?

What is the mass percent of KCl in the solution prepared by dissolving 165.0 g of KCl in 275 g of water?

Which of the following statements is true regarding the potential of a 20% (by mass) solution of Sodium Thiosulfate and a 6% (by mass) solution of Sodium Hypochlorite to cause second-degree burns?

For a solution that is 0.164 M NH3 and 0.110 M NH4Cl, what is the concentration of Cl- ions?

What is the concentration of a base required to neutralize 20.00 mL of a 0.100 M acid solution, assuming a 1:1 molar ratio in the reaction?

What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with a pH of 12.4?

You have 200.0 mL of 0.150 M aqueous NH4Cl. Which of the following statements is true?

You wish to prepare 194 grams of a 9.01% MgCl2 solution. How many grams of magnesium chloride (MgCl2) and how many mL of water will you need? Assume that the density of water is 1.00 g/mL.