What kind of compound increases the hydrogen ion concentration in a solution?

Urea, co(nh2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. what is the maximum mass of urea that can be manufactured from the co2 produced by combustion of 1.00 x 104 grams of co2?

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

C3h8o3 - glycerol major species present when dissolved in water