Question

calculate the mass of ascorbic acid in 2.85×10−4
mol
of ascorbic acid.

Answer 1

M(C₆H₈O₆)=176.126 g/mol
n(C₆H₈O₆)=2.85*10⁻⁴ mol

m(C₆H₈O₆)=n(C₆H₈O₆)M(C₆H₈O₆)

m(C₆H₈O₆)=2.85*10⁻⁴*176.126=0.0502 g=50.2 mg