The density of lead is 11.3 g/mL. The water level in a graduated cylinder initially at 211 mL rises to 291 mL after a piece of lead is submerged. What is the mass in grams of the lead?

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh