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xarqi, Generalist
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# Chemistry HELP

Calculate the masses of Cr\2O\3, N\2 and H\2O produced from 10.8g (NH\4)\2Cr\2O\7 decomposing by the following reaction:
(NH\4)\2Cr\2O\7 (s) --> Cr\2O\3 (s) + N\2(g) + 4H\2O (g)

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xarqi, Generalist
Category: Homework
Satisfied Customers: 596
Experience:
Customer: replied 11 years ago.
Reply to xarqi's Post: Just curious as to where the .172 mol of steam with mass .172 x 18
= 3.10 g came from? the first 2 are obvious after seeing it worked,
thanx
For every mole that decomposes, 4 moles of H2O are
produced. 0.043 mol decomposed, so 4 x 0.043 = 0.172 mol of
steam was produced.
Customer: replied 11 years ago.
Reply to xarqi's Post: Ahh, Thanks for the help!

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