I saw sulfur, Uranium, and phosphorus and asked

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments