Question

How much water required to convert 1 N 100 mL Glucose to 0.1 N ?
(A) 1000
(B) 10
(C) 1100
(D) 900​

Answer 1

Answer:

1100 need WATER

explanation

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Answer 2

Answer:

To convert 1N Glucose solution of volume 100ml into 0.1N solution, 900ml water is required.  

Therefore, the option (D) is correct.

Explanation:

We have given, the normality of glucose solution, N₁ = 1N

The volume of the same solution , V₁ = 100ml

Consider that V is volume of water that will be added to make the normality of solution equals to 0.1N.

Use the law of equivalence,

N₁V₁ = N₂V₂                                                                    ...................(1)

Here, the value of N₂ = 0.1N,

Substitute the all values in equation (1);

$(1)*(100)=(0.1)*V_{2}$

$V_{2}=1000ml$

Now the volume of glucose solution will be 1000ml when its normality will be 0.1N.

Therefore, the volume of water required to add in 1N solution will be,

$V=V_{2}-V_{1}$

$V=1000-100$

$V=900ml$

Therefore, 900ml water is required.