Solutions Molarity

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 07 gram

• 62.7 mol

• 1.07 mol

• 62.7 grams

What does it mean to dilute a solution?

• lower the concentration of solute per solvent

• increase the concentration of solute per solvent

Tags

NGSS.HS-PS1-5

How many moles of solute are dissolved in 0.125 L of 5.00 M NaCl?

• 0.625 mol NaCl

• 625 mol NaCl

• 36.5 g NaCl

• 0.04 mol NaCl

How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?

• 27.8 mL

• 27.78 mL

• 2.8 mL

• 278 mL

Which of the following types of solutions has more room to dissolve solute?

• supersaturated

• saturated

• unsaturated

Which of the following is the correct formula for calculating molarity?

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

Tags

NGSS.HS-PS1-5

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 mol

• 0.069 mol

• 1.07 mol

• 62.7 mol

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

What is a solvent?

• The substance that does the dissolving in a solution.

• The substance that is being dissolved in a solution.

• The mixing of different substances.

• The process in which neutral molecules lose or gain electrons

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