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28 February, 07:24

8. Calculate the percentage composition of sodium nitrate, NaNO3.

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  1. 28 February, 07:43
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    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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