What coefficient for Hg demonstrates the law of conservation of mass?
2HgO --> Hg + O2

What is the empirical formula for c4h8o2

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.