A solution contains 40g of commen salt in water. calculate the mass of water if the mass percentage of the solution is 25%.
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120g is the mass of the water
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mass of solute = 40 g
mass%=25
mass of solvent = ?
mass%=mass of solute /mass of solution ×100
25/100=40/mass of solution
25 × mass of solution = 4000
mass of solution = 4000/25
=160g
160g=40 + m of water
mass of water = 160-40
= 120g
mass%=25
mass of solvent = ?
mass%=mass of solute /mass of solution ×100
25/100=40/mass of solution
25 × mass of solution = 4000
mass of solution = 4000/25
=160g
160g=40 + m of water
mass of water = 160-40
= 120g
ashishtrivedi7pebf5u:
thanks b
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