Question #141601
What is the new % (m/v) concentration when water is added to 25.0 mL of 20.0% (m/v) NaOH to make 300.0 mL of a diluted NaOH solution?
1
Expert's answer
2020-11-17T10:28:25-0500

C1V1=C2V2

C1=20.0% (m/v)

V1=25.0mL

C2=?

V2=300.0mL

20*25=300C2

C2=20*25/300

C2=1.67%(m/v) NaOH


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