Question

hey guys plzz answer step by step
1) what is the mass% of 1.5 mole NaCl in 180 gm of solution
a)40.1%
b)29.6%
c)4.9%
d)48.7%​

Answer 1

Explanation:

Molar mass of NaCl=23+35.5=58.5

1.5 mole NaCl=1.5*58.5= 87.75 GM

Since mass % is asked, we won't bother with volume or any other quantities.

Therefore, mass%=87.75/180 *100

=48.7%

Hope it helps

Answer 2

Answer:

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