How many milliliters of 2 M NaCl solution are required to make 1 liter of 0.4 M

Chemistry
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 How many milliliters of 2 M NaCl solution are required to make 1 liter of 0.4 M NaCl solution?
(a)5,000 mL
(b)800 mL
(c)200 mL
(d)0.2 mL
Jan 9th, 2015

Q.How many milliliters of 2 M NaCl solution are required to make 1 liter of 0.4 M NaCl solution?

Solution

2=1000

0.4=(0.4x1000)/2

=200mL

Jan 9th, 2015

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Jan 9th, 2015
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