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What volume o...

Question

What volume of $N / 2$ and $N / 10 H C l$ should be taken in order to make a $2 l i t r e$ solution of $N / 5$ strength?

0.5

litre

N / 2 H C l

and

1.5

litre of

N / 10 H C l

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1

litre

N / 2 H C l

and

1

litre

N / 10 H C l

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1.5

litre

N / 2 H C l

and

0.5

litre

N / 10 H C l

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0.7

litre

N / 2 H C l

and

1.3

litre

N / 10 H C l

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Solution

The correct option is A $0.5$ litre $N / 2 H C l$ and $1.5$ litre of $N / 10 H C l$
we have,
$N_{1} V_{1} + N_{2} V_{2} = N V$
x = volume of $N / 2 H C l$
so, $0.5 x = 0.1 (2 - x) = 2 * 0.2$
so , value of x= 0.5 L
so, volume of $N / 2 H C l$ = 0.5 L
and volume of $N / 10 H C l$ = 1.5 L

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What volume of N/2 and N/10 HCl should be taken in order to make a 2 litre solution of N/5 strength?

The correct option is A 0.5 litre N/2 HCl and 1.5 litre of N/10 HClwe have,N1V1+N2V2=NVx = volume of N/2HClso, 0.5x=0.1(2−x)=2∗0.2so , value of x= 0.5 Lso, volume of N/2HCl = 0.5 Land volume of N/10HCl = 1.5 L

What volume of $N / 2$ and $N / 10 H C l$ should be taken in order to make a $2 l i t r e$ solution of $N / 5$ strength?

The correct option is A $0.5$ litre $N / 2 H C l$ and $1.5$ litre of $N / 10 H C l$
we have,
$N_{1} V_{1} + N_{2} V_{2} = N V$
x = volume of $N / 2 H C l$
so, $0.5 x = 0.1 (2 - x) = 2 * 0.2$
so , value of x= 0.5 L
so, volume of $N / 2 H C l$ = 0.5 L
and volume of $N / 10 H C l$ = 1.5 L