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pH of a Solution

4.0 g of Na...

Question

4.0 g of $N a O H$ and 4.9 g of $H_{2} S O_{4}$ are dissolved in water and volume is made up to 250 mL. The $p H$ of this solution is:

A

7

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B

1

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C

2

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D

12

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Solution

The correct option is A 7
There will be complete neutralisation forming salt & water.
Hence $p H = 7.0$

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Q. In what volume of water, 20 g of

N a O H

is to be dissolved, such that 400 ml of this solution exactly neutralizes 4.9 g of

H_{2} S O_{4}

?

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(C O O H)_{2} \cdot x H_{2} O

are dissolved in water and the volume made up to

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x

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N a_{2} C O_{3}

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N a H C O_{3}

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ml of this stock solution is titrated with

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. Which of the following statements are correct?

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dehydrated oxalic acid is dissolved in

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25.0

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