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. In any physical or chemical change, mass is not conserved. A. True B. False
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Updated 5/19/2013 2:36:23 PM
1 Answer/Comment
In any physical or chemical change, mass is not conserved. This statement is B. False. According to the law of conservation of mass, mass can neither be created nor destroyed in any physical change or chemical reaction.
Added 5/19/2013 2:36:23 PM
If the percent (mass/mass) for a solute is 4% and the mass of the solution is 200 g, what is the mass of solute in solution? A. 50 g B. 80 g C. 800 g D. 8.0 g
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Updated 1/4/2015 7:29:26 PM
1 Answer/Comment
If the percent (mass/mass) for a solute is 4% and the mass of the solution is 200 g, the mass of solute in solution is 4%*200 g = 8.0 g
Added 1/4/2015 7:29:26 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [1/4/2015 7:33:40 PM]
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