Question

When 2 grams of hydrogen (h2) react with 32 grams of oxygen (O2) the reaction yields hydrogen peroxide (h2o2) how many grams of ho202 are produced in this reaction

Answer 1

as per the reaction we have

`H_2 + O_2 ---> H_2O_2`

so here 1 mole of H2 react with 1 mole of O2 and give 1 mole of H2O2 as the product

now we will find the moles of given reactant

moles of H2

`n_1 = (2)/(2) = 1 mole`

moles of O2

`n_2 = (32)/(32) = 1 mole`

so here both present in 1 mole each hence the product will also formed 1 mole

so here we have

`n = 1 mole` H2O2 will form

so mass of the product

mass = moles* molecular mass

`m = 1 * (2 + 32)`

`m = 34 g`

so the product mass will be 34 g