Which is more concentrated? 20g of an alkali in 50ml of solution or 10 – InterviewSolution

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1.

Which is more concentrated? 20g of an alkali in 50ml of solution or 10g of the same alkali in 500ml of solution. Show your working.

Answer»

$\therefore 20g \: of \: alkali \: in\: 50 <klux>ML</klux> \: solution \: is \: more \: concentrated.$

CONCENTRATION of alkali in 250 ml in PERCENTAGE :-

$= \frac{20}{50} \times 100 = 40\%$

Concentration of alkali in 500ml in percentage :-

$= \frac{10}{500} \times 100 = 2%$

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