The answer is D. A compound
Answer:
I would sieve them because the flour will go through but not the rice
Explanation:
<span>graduated cylinder is the answer</span>
Following the law of conservation of mass, the mass percent of hydrogen in the resulting compound is 14.4%(wt/wt). This is assuming that all of the carbon reacts with all of the hydrogen. The solution is as follows:
mass % = mass hydrogen*100/total mass = 28.8*100/(28.8+171.2) = 14.4%
