caitybug18 caitybug18

25-05-2017
Chemistry

contestada

How many moles of NaCl must be dissolved in 0.5 L of water to make a 4 mole/L

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dec77cat dec77cat

02-06-2017

c = 4 mol/l
v = 0.5 l

n(NaCl)=cv

n(NaCl) = 4 mol/l · 0.5 l = 2 mol

2 moles of NaCl must be dissolved

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