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

One day Nelson Mandela decides not to go for his morning run. What happened to make him not feel like running?

I will give BRAINILEST!!!

The weights (in ounces) of several moon rocks are shown in the table. Find the mean, median, and mode of the weights. Moon Rock Weights (ounces) 2.2 2.2 3.2 2.4

Which of the following statements is true based on this graph? O The New Deal fixed the economic problems permanently. O FDR in office brought the unemployment

Which regulation made it allowable for pharmacists to compound non-sterile products for individual patients?

Which is a factor that contributes to the trend of reduced teen tobacco use? Pro-tobacco messages Parents' approval of tobacco Low cost of cigarettes No-smoking

Select the correct answer. Which is the most precise and concise way to rewrite this excerpt from "Briar Rose" by the Grimm Brothers? A king and queen once upon

CORRECT ANSWER ONLY! I'LL GIVE BRAINLIEST! Which graph represents the function f(x)= sqrt x − 2 - 2?

Eight less than four times a number is twelve. What is the number? 5 1 -3 -5

PLLSLLSLSLSLS HELP THIS IS FREE PONTS PLS