What is the percentage of water in the following compound?

sodium carbonate decahydrate, na2co3 • 10h2o

% by mass h2o

The mass percent of water in is 63%.

Explanation:

In , there are 2 sodium atoms, 1 carbon atom 13 oxygen atoms and 20 hydrogen atoms.

To calculate the mass percent of element in a given compound, we use the formula:

Mass of water =

Mass of = 286 g

Putting values in above equation, we get:

Hence, the mass percent of water in is 63%

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl