Parts Per Million

How many grams of KCl are dissolved in 2000 mL of water if the concentration of the solution is 250 ppm?

• 25 g

• 10 g

• 0.5 g

• 2.5 g

What is the concentration in parts per million of a solution containing 2.0 g of KNO₃ in 4500 mL of water?

• 415 ppm

• 530 ppm

• 444 ppm

• 473 ppm

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

• 120 ppm

• 1.2 ppm

• 120000 ppm

• 1200 ppm

What is the volume of water if the concentration 50 ppm in a solution containing 30 mg of NaCl ? (be careful of the units!!)

• 0.6 mL

• 6 mL

• 60 mL

• 600 mL

You have 0.00015 grams of sugar dissolved in 500 grams of water. What is the solution's concentration in ppm?

• 0.3 ppm

• 300 ppm

• 0.0003 ppm

• 3 ppm

What is the concentration in parts per million of a solution containing 2.0 g of KNO₃ in 4500 g of water?

• 415 ppm

• 530 ppm

• 444 ppm

• 473 ppm

Determine the concentration in parts per million of a solution containing 1.5 g of Ca(OH)₂ dissolved in 8000 ml of water.

• 12 ppm

• 188 ppm

• 250 ppm

• 5333 ppm

Determine the concentration in parts per million of a solution containing 1.5 g of Ca(OH)₂ dissolved in 8000 g of water.

• 200 ppm

• 187 ppm

• 250 ppm

• 207 ppm

If a solution contains 0.005 grams of lead in 2 liters of water, what is the concentration in ppm?

• 2.5 ppm

• 5 ppm

• 10 ppm

• 25 ppm

A sample of air contains 0.0004 grams of sulfur dioxide in 1 cubic meter. What is the concentration in ppm?

• 0.4 ppm

• 4 ppm

• 40 ppm

• 400 ppm

Tags

NGSS.MS-PS1-2