How many mL of 4.0% Mg(NO3)2 solution would contain 1.2 g of magnesium nitrate?

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19-07-2016
Chemistry

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How many mL of 4.0% Mg(NO3)2 solution would contain 1.2 g of magnesium nitrate?

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Willchemistry Willchemistry · Answer 1 · 2016-07-19T05:49:31+02:00

Willchemistry Willchemistry

19-07-2016

4.0 % in mass per volume :

4.0 g ---------- 100 mL
1.2 g ---------- ( volume )

Volume = 1.2 x 100 / 4.0

Volume = 120 / 4.0

= 30 mL

hope this helps!

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