I) If 8.87g of As2O3 is used in the reaction and 5.33 g of As is produced, what is the percent yield?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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?   %

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h