How many grams of sodium chloride are present in a 0.75 M solution with the volume of 500.0 milliliters

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25-08-2017
Chemistry

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How many grams of sodium chloride are present in a 0.75 M solution with the volume of 500.0 milliliters

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LeChatNoir LeChatNoir · Answer 1 · 2017-08-25T16:26:28+02:00

LeChatNoir LeChatNoir

25-08-2017

C: 0,75M
V: 500mL = 0,5L
...........
C = n/V
n = C×V
n = 0,75×0,5
n = 0,375 mol
...........
mNaCl: 23+35,5 = 58,5 g/mol

58,5g ----- 1 mol
Xg ---------- 0,375 mol
X = 58,5×0,375
X = 21,9375g NaCl

:•)

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