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answer of chemestry exercice

1) lewis representation of butanol                                                                        lewis representation of water :

2)  M(h2O) = 18g/mol

n(h2O) = m(h2O) / M(h2O)
n(h2O)=1000/18= 55.55 mol

M(C4H10O)= 74

n=m/M

=2000/74

=27 MOL

In 1kg of butanol, there are 55.5 mol

In 2kg of water, there are 27 mol.

3) equation :C3H8+  …O2–> ….CO2+….H2O

the equation complete is : C3H8+  5O2–>3CO2+4H2O

Posted in Group8.


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