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Mixture & Alligations

PH concentrat...

Question

PH concentration to that of water is given below. Water has PH of 7
$\begin{matrix} L i q u i d & P H & L i q u i d & P H H 2 S O 4 & 2 & H C L & 2.5 N a O H & 12 & H 2 O & 7 M n O H & 8.5 & C u S O 4 & 7 \end{matrix}$
Neutralize a mixture means bringing to PH of 7. PH of a mixture is weighed average of the PH of the components (liquid) present in the mixture.
Equal concentrations of all the liquids are mixed together. The total weight of the mixture is 36 kg. If a mixture of MnOH and HCL is used to neutralize the mixture. Find the ratio of MnOH : HCL used, if 24 kg of new mixture of MnOH and HCL mixture is used.

3 : 2

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8 : 1

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7 : 1

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None of these

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Solution

The correct option is C 7 : 1
Option (C) is the correct answer. Check the video for the approach.

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Similar questions

\begin{matrix} L i q u i d & P H & L i q u i d & P H H 2 S O 4 & 2 & H C L & 2.5 N a O H & 12 & H 2 O & 7 M n O H & 8.5 & C u S O 4 & 7 \end{matrix}

0.02 M H C l

0.04 M N a O H

p H

0.01 M H C l

0.1 M C H_{3} C O O H

3.65 g m s

H C l

4.0 g m s

N a O H

p H

B O H

0.02

{l i t r e}^{- 1}

p H

10.45

100 m L

10 m L

0.1 M

H C l

p H

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