dariyavyskribova dariyavyskribova

26-03-2020
Chemistry

contestada

The formula for cocaine is C17H21N04. What is the percentage of carbon in the
compound?
(a) 4.62%
(b) 6.99%
21.1%
(d) 67.3%

Respuesta :

basedonnique basedonnique

26-03-2020

The correct answer is d

Answer Link

Howellj1978 Howellj1978

26-03-2020

Answer:

d

Explanation:

Approx. 70%

Explanation:

%Carbon

=

Mass of carbon

Mass of molecule

×

100

%

=

17

×

12.011

⋅

g

⋅

m

o

l

−

1

303.39

⋅

g

⋅

m

o

l

−

1

×

100

%

=

?

?

%

Answer Link

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