Molarity and Solubility Quiz

What is a solvent

• the liquid in which a solute is dissolved to form a solution.
• Another word for solution
• A thing that make drinks turn colors
• Its a metal molecole

What does it mean to dilute a solution?

• lower the concentration of solute per solvent
• increase the concentration of solute per solvent

You can make a solution more concentrated by adding __________.

• solute
• solvent
• water

Tags

NGSS.HS-PS1-5

Substance dissolved in a solution. (substance being dissolved)

• solvent

• solute

What is the equation for molarity?

• M = moles of solvent/liters of solution

• M = moles of solute/liters of solvent

• M = moles of solute/liters of solution

• M = grams of substance/moles of substance

What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?

• 0.625 g NaCl
• 625 g NaCl
• 36.5 g NaCl
• 0.04 mol NaCl

Tags

NGSS.HS-PS1-7

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

Tags

NGSS.HS-PS1-7

Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.

• 0.750 M
• 99 M
• 1.3 M
• 2.0 M

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (MM = 342) in 250 mL of water.

• 2.18 M
• 0.746 M
• 1.18 M
• 0.545 M