Stoichiometry-Relative Molecular Mass, Moles

Front

What is the relative atomic mass? Options: 2, 8, 12, 24

Back

24

Front

What is the relative molecular mass of nitrogen gas? Ar N = 14 gram

Back

28

Front

What is the relative molecular mass of ammonia? (Ar H = 1, Ar N = 14)

Back

17

Front

What is the relative molecular mass of sulfuric acid? (Ar H = 1 gram, Ar S = 32 gram, Ar O = 16 gram)

Back

98

Front

Number of moles of 50 g Calcium carbonate (Mr=100)

Back

0.5

Front

What is the chemical symbol for the metals sodium, potassium, lead, and zinc, respectively?

Back

Na, K, Pb, Zn

Front

Relative molecular mass of CO₂ (C=12, O=16)

Back

44

Front

What is the molar mass (Ar) of one mole of Iron (Fe)?

Back

56.0 g

Front

How many moles are in 14g of lithium?

Back

2 mol

Front

How many grams are in 3 mol of chromium?

Back

156 g