Solving Molarity Problems Effectively

What is the formula for calculating molarity?

• Liters of solvent / Moles of solution

• Moles of solute / Liters of solution

• Liters of solution / Moles of solute

• Moles of solvent / Liters of solution

What role does water play when salt is dissolved in it?

• Precipitate

• Solution

• Solvent

• Solute

How do you convert milliliters to liters?

• Divide by 100

• Multiply by 1000

• Divide by 1000

• Multiply by 100

What is the molarity of a solution with 0.25 moles of sodium chloride in 0.3 liters of water?

• 0.75 M

• 0.5 M

• 0.83 M

• 1.2 M

What is the molarity of a solution made from 60 grams of sodium hydroxide in 250 milliliters of water?

• 2.4 M

• 6 M

• 1.5 M

• 0.6 M

What is the molarity of a solution with 700 milligrams of potassium iodide in 200 milliliters of water?

• 0.5 M

• 0.1 M

• 1 M

• 0.0211 M

What is the concentration of sulfate ions in a 0.3 M aluminum sulfate solution?

• 1.2 M

• 0.9 M

• 0.6 M

• 0.1 M

What is the concentration of chloride ions in a solution made from 15 grams of iron(III) chloride in 450 milliliters of water?

• 0.308 M

• 1.234 M

• 2.464 M

• 0.617 M

How many grams of ammonium chloride are needed to prepare 250 mL of a 0.75 M solution?

• 18.75 grams

• 10.03 grams

• 37.62 grams

• 5.02 grams

What volume of solution can be prepared from 8.5 grams of potassium nitrate to make a 0.15 M solution?

• 75 mL

• 150 mL

• 850 mL

• 560 mL