Question

how many moles and how many grams of sodium chloride are present in 250 ml of 0.50M NaCl solution?

Answer 1

Hello!

♦ $\bf{No. \:of\: moles \:in\: NaCl}$ :

= c x v

= 0.5 x 0.25

= $\boxed{\sf 0.125 \:moles}$

$\underline{\sf Now}$ :

♦ $\bf{Mass\: of \:NaCl}$ :

= n x M

= 0.125 x (22.9898 + 35.453)

= $\boxed{\sf 7.31 \:g}$

Cheers!

Answer 2

Hope this helps u
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