Question
How many grams of CO are needed with an excess of Fe2O3 to produce 35.0 g Fe
Solid sodium metal reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of of hydrogen are formed when 35 g of sodium are added to water?
Solid sodium metal reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of of hydrogen are formed when 35 g of sodium are added to water?
Answers
first, write the balanced reactions, then convert everything from grams to moles, work out the right amount in moles, then convert back to grams or molecules.