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 year 1973 saw approval of the Peace Accords, ending the Vietnam War.

identify one specific gas that contributes to the problem of global warming?

Small pieces of rock that enter Earth's atmosphere at speeds of 15 to 70 km/s and burn up are called ____. a. stars c. meteorites b. meteors d. asteroids

The minimum degree of rotation by which this octagon can map onto itself is?

The slaves in the English colonies were treated kindly in order to get them to conform. TRUE or FALSE

What is the formula for hemoglobin?

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctors told

Lactase is an enzyme that is produced in the lining of the intestines. This enzyme helps the body speed up the breakdown of carbohydrates that are found in dair

Citing expert ______________ can lend credibility to your arguments.

What is 6-h=18 solve the equation