Percent Composition

Front

What percentage of the total atomic mass of carbon monoxide (CO) is composed of carbon?

Back

43%

Front

What percentage of the total atomic mass of carbon monoxide (CO) is composed of oxygen?

Back

57%

Front

What percentage of the total atomic mass of magnesium bromide (MgBr₂) is composed of magnesium?

Back

13%

Front

What percentage of the total atomic mass of magnesium bromide (MgBr₂) is composed of bromine?

Back

87%

Front

Lithium phosphide (Li₃P): Does lithium or phosphorus make up more of the total atomic mass?

Back

phosphorus

Front

What percentage of the total atomic mass of lithium phosphide (Li₃P) is composed of phosphorus?

Back

60%

Front

What percentage of the total atomic mass of calcium nitrate (Ca(NO₃)₂) is composed of nitrogen? Hint - another way to think of calcium nitrate is Ca(NO₃)(NO₃).

Back

17%

Front

What is the molar mass of table salt (NaCl)?

Back

58.443 g/mol

Front

What is the molar mass of NaOH?

Back

40 g/mol

Front

What is the molar mass of CO₂? Options: 12, 16, 32, 44

Back

44