Molar Masses Answers

Ammonia (NH3): 17.0418.8118.04 g/mol

Magnesium hydroxide (Mg(OH)2): 59.3358.3355.33 g/mol

Iron(III) oxide (Fe2O3): 159.70155.70154.70 g/mol

1.93 × 1026 molecules XeF678,600 g0.77 g245.29 g

Use the periodic table to determine how many atoms of phosphorus (P) are in a sample that has a mass of 172.90 g.

Select the correct mass for each of the samples described below.3.01 × 1023 molecules H2O9.01 g18.02 g36.00 g

8.32 × 1020 formula units CaBr20.276 g199.88 g145,000 g