Answer to Question #189722 in General Chemistry for Dillon Perez

Question #189722

How many mL of 10% w/v NaCl solution is needed to prepare 500 mL of a 0.8 % w/v NaCl solution?

Expert's answer

500*0,008= 4 ml of 100% NaCl

4/0,1= 40 ml of 10% NaCl

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