Explain what is the mole fraction of substance a

Reference no: EM13220809

When the solvent is removed from a sample solution, 3.0 mole of substance B, 7.5 moles of substance C, and 15.0 moles of substance A are left in the solution. What is the mole fraction of substance A in this new solution?

A) 0.59

B) 0.29

C) 0.41

D) 0.12

Reference no: EM13220809

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