avinash358 avinash358

26-04-2019
Chemistry

contestada

how many oxygen molecules are present in 340gm of hydrogen peroxide

Respuesta :

gbustamantegarcia054 gbustamantegarcia054

29-08-2019

Answer:

there are 9.9957 mol O2 in 340 g H2O2

Explanation:

Mw H2O2 = 34.0147 g/mol

reaction:

H2 + O2 ↔ H2O2

⇒ mol H2O2 = 340 g H2O2 * ( mol H2O2 / 34.0147 g H2O2 ) = 9.9957 mol

⇒ mol O2 = 9.9957 mol H2O2 * ( mol O2 / mol H2O2 ) = 9.9957 mol

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