The synthesis of a certain drug requires 4 steps. First three steps were relatively easy with percent yields of 97.1%, 94.3% and 92.8% respectively. However, the last step was very difficult with a percent yield of 72.7%. What was the overall percent yield?

Question

Quizplus · Accepted Answer

The overall percent yield is calculated by multiplying the yields of each step: 0.971 * 0.943 * 0.928 * 0.727 = 0.618 or 61.8%.

The Synthesis of a Certain Drug Requires 4 Steps