試題詳解

9. You are diluting an aqueous glucose solution. First, add 0.99 mL of water twice into a vial, and then add 100.0 uL of glucose solution. If the weight of the final solution is 2.1254 g, what is the correct expression for the solution density (g/mL)?
(A) 1.021826
(B) 1.0218
(C) 1.021
(D) 1.02182
(E) 1.02