Asked by Sammi
a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?
Answers
Answered by
DrBob222
empirical formula mass = 3C+5H+2O =
3*12+5*1+2*16 = 36+5+32= 73.
So 145.14/73 = 1.988. Round this to an even number (in this case 2.0) and the molecular formula is
(C3H5O2)2 or C6H10O4. That is, the molecular formula is two units of the empirical formula.
3*12+5*1+2*16 = 36+5+32= 73.
So 145.14/73 = 1.988. Round this to an even number (in this case 2.0) and the molecular formula is
(C3H5O2)2 or C6H10O4. That is, the molecular formula is two units of the empirical formula.
Answered by
Sammi
YES! THANK YOU THANK YOU THANK YOU!
Answered by
Nancy
Pls i need the answer
Answered by
Nancy
calculate the ph solution with hydrogen ion concentration of 6.28×10^6 moldm and 1×10^-5
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