erincadeKimberry erincadeKimberry

04-07-2016
Chemistry

contestada

a mole of carbon dioxide (co2) has 12.0 grams of carbon (c) and 32.0 grams of oxygen (o). what is the percent composition of carbon in carbon dioxide?

Respuesta :

daniel987 daniel987

08-07-2016

the moles of the elements need to calculated first
C = 12 / 12 = 1
02 = 32 / 16 = 2
then...
%composition of carbon = 100 x (1/2)
% composition of carbon = 50%
hope that helps

Answer Link

Otras preguntas

The prologue covers which stage of the plot structure? rising action exposition climax resolution

During which war did General John J. Pershing recommend that NCOs be provided with separate mess facilities?

__________ and the other vaulters have been training for months. Which case type pronoun is required to complete the sentence? a. nominative b. possessive c. ob

Public policy concerning the Colorado River affects all of the following states EXCEPT which one? a. Nevada b. Utah c. New Mexico d. California

im stuck on question 43

the alabama river is 729 miles. if 1 mile equals 1.61 kilometers, find the length of the river to the nearest whole kilometer. (due tomorrow)

Bonds that form between two nonmetal atoms are usually ionic bonds. Please select the best answer from the choices provided T F

Which political party did William H. Taft represent in the 1912 presidential election? Congressional Government Party Progressive Party Democratic Party Rep

The United States formally entered World War II following the Japanese attack on

If f(x)=2x^2−3x+1 and g(x)=x+5, what is f(g(x))?