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11-06-2017
Chemistry

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How many milligrams of sodium are contained in 3 g of nacl?

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LeChatNoir LeChatNoir

11-06-2017

mNaCl: 23g + 35,5g = 58,5 g/mol
mNa: 23 g/mol
--------------------------------------------
23g Na -------- 58,5g NaCl
Xg Na ---------- 3g NaCl
X = (3×23)/58,5
X = 1,1795g = 1179,5 mg

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