How many moles of sodium carbonate are present in 6.80 grams of sodium carbonate?

1 Answer
Nov 15, 2015

Answer:

There are #"0.0642 mol Na"_2"CO"_3"# in #"6.80 g"#.

Explanation:

The chemical formula of sodium carbonate is #"Na"_2"CO"_3"#. The molar mass of sodium carbonate is #"105.988439 g/mol"#. http://pubchem.ncbi.nlm.nih.gov/compound/sodium_carbonate

#6.80cancel("g Na"_2"CO"_3)xx(1"mol Na"_2"CO"_3)/(105.988439cancel("g Na"_2"CO"_3))="0.0642 mol Na"_2"CO"_3"#