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Question: How do I calculate the weight percentage of NaHCO3, when I'm given mol NaHCO3 in 25.00mL = 0.000640; molar mass NaHCO3 = 84.02 g   Edit

Answer: 1 mol= 84.02 gm (Given)

0.00064 mol= 0.054 gm



25 ml NaHCO3 solution contains 0.054 gm NaHCO3

100 ml NaHCO3 solution contains 0.215 gm NaHCO3

wieght percentage of NaHCO3 in 25 ml NaHCO3 solution is 0.215 %  Edit


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