Respuesta :

Imhers159
6.022e23 molecules/mole Avogadro constant 

that's all you need 
5.25e29 molecules / (6.022e23 molecules/mole) = 0.872e6 moles = 872000 moles

Hope it helps :}
Sowwy if it didn't :{

The answer is 8.72×10^5

Otras preguntas