9. Calculate the molar mass of a sample with a single molecule weighs \(9.31 \times 10^{-23}\) g.(A) 56.1 g/mol(B) \(6.47 \times 10^{45}\) g/mol(C) \(6.02 \times 10^{23}\) g/mol(D) \(9.31 \times 10^{-23}\) g/mol