i7veafryshjsteen i7veafryshjsteen

04-07-2016
Chemistry

contestada

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

Respuesta :

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

05-03-2020

took the test and its 74.02% actually...

Answer Link

Otras preguntas

The length of a field is 100 yards and its width is 75 yards. If 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of pape

Please help me! I will mark you brainliest if you are right and show your work!! I don't get polynomials and all the other stuff. Multiply and simplify.2x(^2)y(

I Need Assistance With These

what is the constantof 24x+32+4x+3

who was father of nation of india

Escoge la respuesta correcta. ?Qué ocurrió durante los a?os 1960-1996 en Guatemala? Las olimpíadas. El concurso del premio Nobel. Una guerra civil. Un boom econ

A computer store buys a computer system at a cost of $370.80. The selling price was first at $ 618, but then the store advertised a 20 % markdown on the syste

if x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Factor:(m+2)^2−(m+2)+mn·(n+2)+2n(n+2)

The Measurement of one angle of a right triangle is 42° What is the measurement of the third angle? (there is no picture)