How many grams of NaOH are needed to make 100 milliliters of a 0.2 molar solutio

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How many grams of NaOH are needed to make 100 milliliters of a 0.2 molar solution of NaOH?
(a)0.02 grams
(b)0.8 grams
(c)20 grams
(d)800 grams
Jan 9th, 2015

Q.How many grams of NaOH are needed to make 100 milliliters of a 0.2 molar solution of NaOH?

solution

0.2=1000

?    =100

=(100x0.2)/1000

=0.02 grams

Jan 9th, 2015

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Jan 9th, 2015
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Jan 9th, 2015
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