How many Oxygen atoms in: 5H2SO3

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which position represents spring in the southern hemisphere? a) b) c) d)

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