i7veafryshjsteen
i7veafryshjsteen i7veafryshjsteen
  • 04-07-2016
  • Chemistry
contestada

what is the percent by mass of carbon in c10 h14 n2?

Respuesta :

daniel987
daniel987 daniel987
  • 08-07-2016
C10H14N2
the relative formula masses:
C10 = (12x10) = 120
H14 =  (14x1)  = 14
N2   =  (14x2)  =  28

%composition of carbon =  100 x (14 + 28 / 120) = 0.35
%composition of carbon = 35%
hope that helps
Answer Link
unz unz
  • 05-03-2020

took the test and its 74.02% actually...

Answer Link

Otras preguntas

A ball has a mass of 3g and a volume of 6 cm3. It's density is what and will it float or sink in water.
The stress on a reverse (thrust) fault is tensional. True False
How do you find A to C?
Alicia cashed half of her paycheck and set aside the other half to take her friends out to dinner. She spent 42.15 on dinner and brought home more than 20.00. W
Which angle is coterminal with 140°?​
(3.6 × 10-5) ÷ (1.8 × 103) Give your answer in standard form.
Evaluate the expression. (-3)³ +(5-2)4
∠1 and ∠2 are linear pair. If m∠1 = 3x + 4 and m∠2 = 2x – 9, find x.
Which of the following countries is least likely to hold free and legitimate elections by its citizens, based on this map? Mexico Belarus Tanzania Columbia
The graph of a function is shown on the grid.