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

Write a C++ program to find the number of pairs of integers in a given array of integers whose sum is equal to a specified number.

Calculate this. 28% of 150

1. The knitting club sold 40 scarves and hats at a winter festival and made $700 fromthe sales. They charged $18 for each scarf and $14 for each hat.If s repres

What is the value for the potential energy for a n = 4 Bohr orbit electron in zeptoJoules?

F(x)=4x+1 and g(x)=x2-5, find (f+g)(x)

list 2 ways To conserve water I need help with That question

What’s the answer to this question??

I’m writing a poem for US History, and it’s about things I take for granted that slaves could never have . How should I start it?

8. Name the three different processes that the Sun's radiant energy will go through once it enters our atmosphere?

A circular curve of radius 150 m is banked at an angle of 15 degrees. A 750-kg car negotiates the curve at 85.0 km/h without skidding. a) what is the normal for