Answer to Question #109380 in General Chemistry for Rodaina

Question #109380

5. How would a lab assistant make 20 g of a 10% w/w NaOH solution?

Expert's answer

10% at 20g= 2 g of NaOH

Because NaOH reaction with air (example)

18 g water and 2 g NaOH solved in it.

but w/w solutions is Not an accurate measurement.

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