do it fast
Subject: science
class 9 çh 2
question
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do it fastSubject: science class 9 çh 2 question
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Answer:
a.percentage of solution=5
mass of solution=250g
percentage of solution=mass of solute/ mass of solution×100
mass of solute/250×100
=5×250/100=12.5g
b.mass of solute=65g
mass of solvent=435g
mass of solution=500g(435+65)
concentration=(65/500)×100=13%