CBSE Class 9 Answered
x g of a substance A combines with y g of a substance B and forms(x+1)g and (y-1)g of the new substances C and D,respectively. show that these observations are in accordance with the law of conservation os mass[A+B changes into C+D]
Asked by | 26 Oct, 2013, 06:26: AM
Expert Answer
The Law of Mass Conservation states that mass can neither be created nor destroyed.
Or more simply, the mass of substances produced (products) by a chemical reaction is always equal to the mass of the reacting substances (reactants).
A + B 
C + D
xg yg ( x+1)g (y-1)g
A + B C + D
(x+y) g [(x+1) + (y -1)]g
A + B C + D
(x+y)g (x+y) g
Answered by Vaibhav Chavan | 28 Oct, 2013, 11:38: AM
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