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Equilibrium Constant and Standard Free Energy Change

n g of a subs...

Question

n g of a substances X reacts with m g of substance Y to from p g of a substance R and q g of a substance S. This reaction can be represented as follows:
$X + Y = R + S$
The relation which can be established in the amounts of the reactants and the products will be:

n - m = p - q

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n + m = p + q

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n = m

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p = q

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Solution

The correct option is B $n + m = p + q$
By the law of conservation of mass,
n + m $=$ p + q.

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\in

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(\frac{m}{n}, \frac{p}{q})

\neq

P

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