# chemistry

posted by .

8.What is the mass of 4.56 moles of sulfur dioxide?
9.What is the mass of 4.56 molecules of sulfur dioxide?
10.How many formula units are in 0.456 grams of Ca3(PO4)2?
11.How many moles are in 1.5 x 10 ^23 atoms of fluorine?
12.What is the mass of 2.80 x 10 ^23 molecules of CO2?

• chemistry -

8. moles = grams/molar mass. Solve for grams.

9. There are 6.022E23 molecules in a mole; therefore, 4.56 molecules = (4.56/6.022E23) = # moles SO2. Follow 9 to determine mass.

You should be able to do the others now.

• chemistry -

34.52

## Similar Questions

1. ### Chemistry

I need to figure out how many moles are in 16.0 grams of sulfur dioxide. I know that sulfur dioxide is SO2 so do I do I do?
2. ### chemistry

Sulfur undergoes combustion to form sulfuur dioxide. If 456g of sulfur is burnt calculate the mass of sulfur dioxide produced.
3. ### Chem

Sulfur burns in the presence of oxygen to produce sulfur dioxide. Explain how the mass of sulfur dioxide produced compares to the combined mass of sulfur and oxygen.

*Only need input not doing it for me. PLEASE QUESTION: Some hydrocarbon fuels have sulfur present and contribute to air pollution. When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. …
5. ### chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams?
6. ### chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams?
7. ### CHEM MOLES !@@!

Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium?
8. ### Chemistry

For the following reaction, 9.91 grams of sulfur are allowed to react with 20.8 grams of carbon monoxide . sulfur(s) + carbon monoxide(g) sulfur dioxide(g) + carbon(s) is the maximum amount of sulfur dioxide that can be formed?
9. ### Chemistry

In the production of carbon disulfide (CS2), carbon (C) and sulfur dioxide (SO2) are reacted. If 8.00 g of sulfur dioxide reacts, how many moles of carbon dioxide are produced?
10. ### Chemistry

4.12 grams of Zinc are placed in a crucible with 3.00 grams (excess) of Sulfur. when reaction is complete the product mass is 6.10 grams. What mass of Sulfur should be used in the simplest formula calculation?

More Similar Questions