How could we find molecular formula of alkane from its molecular weight??
Answers
Answered by
1
Explanation:
Alkanes: Molecular and Structural Formulas. The alkanes comprise a series of compounds that are composed of carbon and hydrogen atoms with single covalent bonds. This group of compounds comprises a homologous series with a general molecular formula of C nH 2 n+2 , where equals any integer.
Alkanes General molecular formula is C(n)H(2n+2) where n is no. of carbon atoms now using it to calculate mass that it
12 is mass of carbon and 1 is of hygrogen.
total given mass is 142. now then
12n +1(2n+2) = 142.
14n +2 = 142
14n = 140
n= 10.
thus Decane is the answer.
Similar questions