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May 30, 2015

Homework Help: science

Posted by josh on Saturday, August 27, 2011 at 6:31am.

1. What weight of aluminum may be obtain from 1 kg of aluminum oxide?
2. how many liters of hydrogen would be form by the reaction of 25g of hydrochloric acid and sufficient quantity of zinc?
3. 0.82l of an unknown gas at 35 degree Celsius and 80 cm-Hg weigh 2.46g. compute for the molecular weight of the unknown gas?

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