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27 September, 15:53

On average, seawater in the world oceans has a salinity of about 3.5%.

How much seawater need to have evaporated to leave 100g salt?

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  1. 27 September, 16:02
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    i suppose that 3.5% means every 100g of water there is 3.5g if salt ... so ...

    3.5g - >100g

    1g - >100/3.5

    100g-> (100/3.5) * 100

    =10000/3.5

    2857.1428g

    =2.857kg
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