sabrinabrandao96 03/08/2017 A) mol = massa / massa molar 2 = x / 1 + 14 + 16 . 3 2 = x / 63126 = x R: 126 gramasB) mol = massa / massa molar1,5 = x / 4 . 1 + 2 . 31 + 7 . 161,5 = x / 4 + 62 + 1101,5 = x / 176264 = x R: 264 gramas
sabrinabrandao96
A) mol = massa / massa molar
2 = x / 1 + 14 + 16 . 3
2 = x / 63
126 = x
R: 126 gramas
B) mol = massa / massa molar
1,5 = x / 4 . 1 + 2 . 31 + 7 . 16
1,5 = x / 4 + 62 + 110
1,5 = x / 176
264 = x
R: 264 gramas