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Topic: digestion  (Read 2084 times)

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Offline freshandfunky

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digestion
« on: December 28, 2009, 07:13:35 AM »
Digestion of some kind of alloy Zn ang Mg needs  0.726 dm3 of liquor HNO3 (strength 1.65 mol/dm3). What whas (in gram) a bulk of Zn in this piece of alloy, if alloy has  28.2 %  Zn?
MZn = 65,39 g/mol MMg = 24,30 g/mol MN2 = 28,01 g/mol MO2 = 32,00g/mol MH = 1,008g/mol. Please help me!  :'(
« Last Edit: December 28, 2009, 07:29:55 AM by freshandfunky »
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Offline freshandfunky

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Re: digestion
« Reply #1 on: December 28, 2009, 11:21:47 AM »
Ok, I calculate it. Correct answer is 4,988567 g ;-)
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