What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?
Answer:
a 15% m/v solution of NaOH is 15g/100ml's or 150/1000mL's and 20g/100ml's is also equal to120%=1200g/1000mL's >>> therefore
120g/15g= 8 If there is one liter of solution then 800mL's will contain 120g of NaOH
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