# general chemistry

posted by .

the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^-23 grams what is the density

• general chemistry -

I am assuming that 99pm means pico meters, so 99pm = 99 x 10^-7 cm

D=mass(g)/volume(cm3)

Plug in the value for radius into the equation to solve for the volume which will have units of cm^3

v=4/3πr^3

Since density=mass(g)/volume(cm3),

Solve for density,

D= (5.89 X 10^-23 g/volume calculated in cm^3)

• general chemistry -

so to get volume, you do v=(1.33)*3.14*99e-7^3????

• general chemistry -

Yes.

• general chemistry -

But, I gave you the wrong units for 99pm in cm, it should be 99x10^-10. I apologize about that

## Similar Questions

1. ### physics

The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.0 10-15 m. The single electron in a hydrogen atom normally orbits the nucleus at a distance of 5.3 10-11 m. What is the ratio of the density of the hydrogen …
2. ### CHEM****

Initial info: The atoms of crystalline solid pack together into a three-dimensional array of many small repeating units called unit cells. The simplest of the unit cells are those that have cubic symmetry, with atoms positioned at …
3. ### chemistry

Assume that the entire mass of an atom is concentrated in its nucleus, a sphere of a radius 1.5 x 10 to the -5 pm. If the mass of the atom is 2.39 x 10 to the -22 g, what is the density?
4. ### Chemistry

If you look at the Periodic Table,you will see chlorine with a relative atomic mass of 35.5. That means the average mass of a chlorine atom found in nature is ________?
5. ### chemistry

a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the density of the metal is 6.90g per cubic cm. a. what is the mass in grams, of a single atom of this element. …
6. ### Chemistry

How many grams of chlorine are needed to make 5.00 X 10^6 g of a solution that is 1.50 ppm chlorine by mass?
7. ### Chemistry H.

Assume that the nucleus of the fluorine atom is a sphere with a radius of 5 x 10 ^ -13 cm. Calculate the density of matter in the fluorine nucleus in grams/cm^3. Now convert your answer to tons per cubic centimeter, knowing that there …
8. ### GEneral Chemistry

the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^-23 grams what is the density When I look at this i know that 99pm= 9.9e-7 and to get volume v=(3/4) or 1.33 (3/4)*3.14- pi *r^3 When I get to this point I do: 1.33*3.14= …
9. ### chemistry

How many grams of chlorine gas are needed to make 5.10 × 106 g of a solution that is 1.50 ppm chlorine by mass?
10. ### Chemistry

How many grams of chlorine gas are needed to make 5.40 x 10 6 g or a solution that is 1.40 ppm chlorine by mass?

More Similar Questions