Molarity and PPM Practice

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2
• 3
• 4
• 6 

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

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

Tags

NGSS.HS-PS1-7

The ___ is the thing being dissolved

• solute
• solvent

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

• 0.750 M
• 99 M
• 1.3 M
• 2.0 M

If there is less solute than the maximum amount, the solution is said to be

• saturated
• unsaturated
• supersaturated
• concentrated

0.0006 grams of mercury was found in a 5 kg sample of water. What is the concentration of mercury in ppm?

• 120 ppm
• 0.12 ppm
• 120000 ppm
• 1200 ppm

What is the concentration in ppm when 20 grams of NaCl are dissolved in 600 mL of water?

• 34,617 ppm

• 32,258 ppm

• 574 ppm

• 556 ppm

What is the concentration in ppm when 0.5 moles of CH₄ are dissolved in 1500 mL of water?

• 5305 ppm

• 6208 ppm

• 5600 ppm

• 4825 ppm

Which of the following compounds would be insoluble in water?

• NaNO₃

• K₂CO₃

• MgCO₃

• Ca(OH)₂

Tags

NGSS.HS-PS1-3