Answer:
3.0 gram NaBr
Step-by-step explanation:
A 5.0% aqueous solution of NaBr => 5 grams NaBr per 100 grams of solution
=> 0.05 gram NaBr per 1.0 gram of solution
=> grams of NaBr for 60g of 5% solution = 0.05·g·NaBr/g·Soln X 60g·Soln
= 3.0g NaBr
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