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How many moles of sodium chloride presen...

How many moles of sodium chloride present in 250 mL of a 0.50 M NaCl solution ?

A

0.250 mol

B

2 mol

C

0.125 mol

D

1.0 mol

Text Solution

Verified by Experts

The correct Answer is:
C
Molarity `=("Moles")/("Vol in mL") xx 1000`
`0.50 =("Moles")/250 xx 1000`
Moles of NaCl `=(0.50 xx 250)/1000`
= 0.125 mol
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