A solution is made by adding 125g of sodium in 1.5 kg of water. What is the percent by mass?
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plz tell formula...
is it in 9th class
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Answer:
mass of sodium - 125 g.
mass of water - 1.5 kg (i.e 1500 g).
Percentage of sodium in the solution-
(125/1500)*100
=4.6%
concentration -
=(mass of solute / mass of solute+ mass of solvent )*100
=(125g / 125+1500)*100
=(125/1625)*100
=7.69%
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