What is the salinity of the Dead Sea (per litre of water)?

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Accepted Answer

1. Known value: the Dead Sea has a salinity of about $34\%$ by mass (≈0.34 fraction).

2. For 1 litre of water, mass ≈ 1 kg = 1000 g. Assuming 34% salt by mass, salt mass = $0.34	imes1000\,	ext{g}=340\,	ext{g}$.

3. Therefore the closest option is 340 grams per litre.

FINAL_ANSWER: c

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