avinash358
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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