What are the reactants and products in the following reaction: carbon dioxide reacts with water to produce carbonic acid

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

What would happen to a weak base dissociation equilibrium if more products we added