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September 1, 2014

Homework Help: Chemistry

Posted by Joanne on Wednesday, May 16, 2012 at 2:21pm.

If a reaction yields 2.5165 10^8 kJ, then how much mass was lost? (User 3.00 x 108 m/s as the speed of light)

2.30 10^-3 kg
5.60 10^-3 kg
2.80 10^-12 kg
5.60 10^-12 kg

Please help.

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