Molarity & pH

How many L are in 45 mL of a solution?

• 450
• 45000
• 4.5
• 0.045

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

Determine the molarity of 2.25 mole of sulfuric acid, H₂SO₄, dissolved in 725 mL of solution.

• 322.2 M
• 3.1 M
• 0.32 M
• 2.25 M

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L

Tags

NGSS.HS-PS1-7

The ___ is the thing being dissolved

• solute
• solvent

If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

• 20.9 mol
• 0.021 mol
• 0.02 mol
• 0.0209 mol

Tags

NGSS.HS-PS1-7

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250. mL?

• 15.9 M
• 0.636 M
• 0.642 M
• 1.59 M

If there is the maximum amount of solute in a solution, it is said to be

• saturated
• unsaturated
• supersaturated
• concentrated

How many grams of AgNO₃ are needed to prepare 0.125M solution in 250 mL of water? (the molar mass is 169.87g=1 mole)

• .03g
• 0.5g
• 5.3g
• 84.9g

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?

• 0.018 M
• 0.018 mol
• 1.052 M
• 1.052 mol