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acetona masa molară, masa moleculara, formula procentuala, formula moleculara ​

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Răspuns:

C3H6O acetona

MC3H6O=3x12+6x1+16=58g/mol

1mol C3H6O=58g

58gC3H6O...........36gC.............6gH..............16gO

100gC3H6O............x%C............... y%H...........z%O

x=100x36/58= calculeaza

y=100x6/58= callculeaza

z=100x16/58=calculeaza

formula moleculara C3H6O

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