harmonypowers6106 harmonypowers6106

03-11-2017
Chemistry

contestada

A compound is found to consist of 2.89 g of calcium and 5.11 g of chlorine. what is the percent by mass of calcium in the compound

Respuesta :

barnuts barnuts

13-11-2017

To get the percent mass of calcium, first let us compute for the total mass:

total mass = 2.89 g + 5.11 g

total mass = 8 g

So the percent mass of calcium is:

% calcium = (2.89 / 8) * 100% = 36.125%

Answer Link

Otras preguntas

Which equation represents sublimation? (1) I2(s) ==> I2(g) (3) I2(l)==>I2(g) (2) I2(s) ==>I2(l) (4) I2(l)==>I2(s)

Which statement correctly describes a chemical reaction at equilibrium? (1) The concentrations of the products and reactants are equal. (2) The concentrations o

Isotopes of an element must have different (1) atomic numbers (2) mass numbers (3) numbers of protons (4) numbers of electrons

is 3 feet greater than/less than/ or equal to 10 inches

The lengths of consecutive sides of a rectangle are represented by 2x + 1 and 3x + 2 . Express the area of the rectangle in terms of x.

Which revision best corrects the errors in the given sentence? Birds outside at the feeder such as cardinals, finches, and chickadees keep the cat entertained

Please help, the questions are now attached

how to find volume of a drawing of a piece of cake?

How does TV with 3D capability work?

Which compound is classified as a hydrocarbon?(1) ethane (3) chloroethane(2) ethanol (4) ethanoic acid