Sodium hydroxide, NaOH; sodium phosphate, Na3PO4; and sodium nitrate, NaNO3, are all common chemicals used in cleanser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium.

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26-09-2017
Chemistry

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Sodium hydroxide, NaOH; sodium phosphate, Na3PO4; and sodium nitrate, NaNO3, are all common chemicals used in cleanser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium.

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akiyama316 akiyama316 · Answer 1 · 2017-10-05T09:20:44+02:00

akiyama316 akiyama316

05-10-2017

NaOH:
(1x23) / (1x23 + 1x16 + 1x1) = 57.5 %

Na3PO4
(3x23) / (3x23 + 1x31 + 4x16) = 42.07%

NaNO3
(1x23) / (1x23 + 1x14 + 3x16) = 27.05%

So, NaOH > Na3PO4 > NaNO3

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