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  • 10g of caustic soda dissolved in 100mL of water makes a solution of caustic soda. Amount of caustic soda needed for 1 litre of water to make the same type of solution is ______.

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10g of caustic soda dissolved in 100mL of water makes a solution of caustic soda. Amount of caustic soda needed for 1 litre of water to make the same type of solution is ______.

Answers (1)

Let x gm  of caustic soda is required.

\\\Rightarrow 10 \mathrm{~g}: \mathrm{xg}=100 \mathrm{~mL}: 1 \mathrm{~L} \\ \Rightarrow 10 \mathrm{~g}: \times g=100 \mathrm{~mL}: 1000 \mathrm{~mL} \\ \\ \Rightarrow \frac{10}{x}=\frac{100}{1000} \\\\ \Rightarrow x=100 \\

The amount of caustic soda needed for 1 litre of water to make the same type of solution is 100 gm.

Posted by

Ravindra Pindel

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