8. Calculate the percentage composition of sodium nitrate, NaNO3.
1 answer:
Answer:
27.06%
Explanation:
First let us calculate the molar mass of NaNO3. This is illustrated below:
MM of NaNO3 = 23 + 14 + (16x3) = 23 + 14 + 48 = 85g/mol
Now, we see that NaNO3 contains 1atom of Na.
Therefore the percentage composition of Na in NaNO3 is given by:
(23/85) x 100 = 27.06%
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