Given [h3o+] = 9.89 x 10-3m find: [oh-] and ph is this acidic, basic or neutral?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

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