Please answer! I don't have the value of pka, you can look them up

Which organic molecule is found in the chromatin of cells?

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

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate