20g salt is dissolved in water to prepare 20% (w/w) aqueous salt solution. calcuate the amount of salt added to this solution to make the final operation 30 (w/w)
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Answer:
180g
Explanation:
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Answer:
30(w/w),means 30g in 70g of solution.Therefore to make solution of 30 mass percentage 10g should be added to20mass percent solution.
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