What volume of a 0-8 M solution contains 100 millimoles of the solute-A- 125 mLB- 500 mLC- 62-5 mLD- 100 mL

The correct option is A 125 mLWe know that 1000 millimoles = 1 mole. Also, Molarity = moles of solute/volume of the solvent 100 × 10^ 3 = 0.8 × V V = 0.12 ...

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Standard VIII

Chemistry

Ways to Define Concentration

What volume o...

Question

What volume of a 0.8 M solution contains 100 millimoles of the solute?

100 mL

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125 mL

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500 mL

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62.5 mL

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Solution

The correct option is B 125 mL
We know that 1000 millimoles = 1 mole.
Also,
$M o l a r i t y = \frac{m o l e s o f s o l u t e}{v o l u m e o f t h e s o l v e n t}$
$⟹ 100 \times 10^{- 3} = 0.8 \times V$
$V = 0.125 = 125 m L$

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What volume of a 0.8 M solution contains 100 millimoles of the solute?

The correct option is B 125 mLWe know that 1000 millimoles = 1 mole. Also, Molarity=moles of solutevolume of the solvent ⟹100×10−3=0.8×V V=0.125=125 mL

The correct option is B 125 mL
We know that 1000 millimoles = 1 mole.
Also,
$M o l a r i t y = \frac{m o l e s o f s o l u t e}{v o l u m e o f t h e s o l v e n t}$
$⟹ 100 \times 10^{- 3} = 0.8 \times V$
$V = 0.125 = 125 m L$