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

1 Answer
Meave60
Nov 15, 2015

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"

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