1- If 0.2mol of an alkane weighs 8.8g, what is its molecular formula? (C3H8) l
1- If 0.2mol of an alkane weighs 8.8g, what is its molecular formula? (C3H8) l
Гость
Ответ(ы) на вопрос:
ГостьM(CxHy) = m/n M=8,8g/0,2mol = 44g/mol alkan CnH₂n₊₂ 12n+2n+2 =44 14n =42 n=3 C3H8 C₃H₈
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