Plzz solve this Ques .
A solution contains 42 g of sodium hydroxide in 320 g of water . Calculate it's concentration in terms of mass % .
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Plzz solve this Ques .
A solution contains 42 g of sodium hydroxide in 320 g of water . Calculate it's concentration in terms of mass % .
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Answer:
Mass (solute) = 40 gram
Mass (solvent) = 320 gram
Mass (solution) = Mass (solute) + Mass (solvent)
= 40 gram + 320 gram
= 360 gram
∴ Mass % (solution) = [ Mass (solute)/Mass (solvent)] × 100
= [40/360] × 100
= 11.1 %
Answer:
11.1% is answer of question