If a sample of pure cadmium has a mass of 18.2 grams, how many moles of cadmium are in the sample?

6.17 mol

112.4 mol

0.16 mol

2045.7 mol

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease