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What is the number of moles of NaHCO3in 250cm3 of its solution if the solution contains ...

What is the number of moles of NaHCO3in 250cm3 of its solution if the solution contains 8.4 g of NaHCO3 in 1 dm3 of the solution. [Na = 23, 0 = 16, C = 12, H = 1)

A. 1
B. 0.25
C. 0.05
D. 0.025
E. 0.01




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