Calculate the mass of NaCl needed to make 40% solution from 3kg of water ? Could you explain step by step please :-)

1 answer:

3 0

Ok so 40 percent of 3000 grams which is 3 kg is 1200 grams
So you would need 1.2kg or 1200 grams to make a 40% solution

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Volgvan

Hi,

Gases are most soluble in water under high pressure and low pressure.

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74 is the answer u find it by subtracting the protons(atomic number) from atomic mas, so basically... 127-53 =74 neutrons

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natulia [17]

Explanation:

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