Statement-1: The weight percentage compound A in a solution is given by% of A= Mass A Total mass of solution ×100Statement-2: The mole fraction of a component A is given by,Mole fraction of A= No. of moles of A Total No. of moles of all components

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Statement-1: The weight percentage compound A in a solution is given by
$% of A = \frac{Mass A}{Total mass of solution} \times 100$
Statement-2: The mole fraction of a component A is given by,
$Mole fraction of A = \frac{No. of moles of A}{Total No. of moles of all components}$

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Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

(A) is true but (R) is false

answer is B.

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The mass of a compound A relative to the total mass of the solution determines its percentage weight in the solution.

The formula for calculating a compound's % weight in a solution is

$% of A = \frac{Mass A}{Total mass of solution} \times 100$

Because

The ratio of the moles of a component A to the sum of the moles of all the other components in a solution is known as the mole fraction.

Given by, is the mole fraction of component A.

$Mole fraction of A = \frac{Number of moles of A}{T otal number of moles of all components}$

Both Assertion and Reason are true, yet Assertion cannot be explained by Reason.

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