MathDB

1

Part of 2010 National Chemistry Olympiad

Problems(1)

2010 USNCO Local #1: Methanol Experiment

Source:

11/20/2012
A student is asked to measure 30.0g30.0 {\text{g}} of methanol (d=0.7914g/mL at 25∘C)(d=0.7914 \text{g/mL at 25}^{\circ}\text{C}) but has only a graduated cylinder with which to measure it. What volume of methanol should the student use to obtain the required 30.0g{30.0 \text{g}}?
<spanclass=′latex−bold′>(A)</span> 23.7mL<spanclass=′latex−bold′>(B)</span> 30.0mL<spanclass=′latex−bold′>(C)</span> 32.4mL<spanclass=′latex−bold′>(D)</span> 37.9mL{ <span class='latex-bold'>(A)</span>\ 23.7 \text{mL} \qquad<span class='latex-bold'>(B)</span>\ 30.0 \text{mL} \qquad<span class='latex-bold'>(C)</span>\ 32.4 \text{mL} \qquad<span class='latex-bold'>(D)</span>\ 37.9 \text{mL} }