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Concentration Terms - An Introduction (w/w etc)

A ground wate...

Question

A ground water sample was found to contain 500 mg/l total dissolved solids (TDS), TDS (in %) present in the sample is____
0.05

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Solution

The correct option is A 0.05
Assuming 1 kg = 1 litre

% of TDS in the solution

$= \frac{500 \times 10^{- 3} g}{1000 g} \times 100 = 0.05 %$

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Concentration Terms - An Introduction (w/w etc)

Standard XII Chemistry

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