# College Chem

posted by .

How many moles of O atoms are there in a sample of 86g sucrose (C12H22O11)?

• College Chem -

342 grams/mol (add up 12C +22H +11O)
86/342 = .251 mol
for every mol of sucrose there are 11 moles of O
11*.251 = 2.77 mol of O

## Similar Questions

1. ### ochem

Calcualte how many milliliters of carbon dioxide would be produced theoretically from 20g of sucrose of 25 degree C and 1 atmosphere pressure. I can use the formula PV=nRT 20g C12H22O11 * moles sucrose/342.3g suc. that would equal: …
2. ### college chem

A 1.10g- sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0ML , the osmotic pressure of the solution is 3.78atm at 298K a.What is the percent by mass of glucose in the …
3. ### chem

how many atoms of C are in 2 moles of sucrose C12H22O11?
4. ### chemistry

how many moles of sucrose C12H22O11 does 300mL of a 0.10 M sucrose solution contain?
5. ### Chemistry

A sample of sucrose, C12H22O11(s),contains 0.16 mol of oxygen, atoms(O). a.) What amount in moles of sucrose is in the sample?
6. ### science

How many moles of sucrose C12H22O11 does 300 mL of a .10M sucrose solution contain?
7. ### Chemistry

The equation for the reaction of sucrose(sugar)with oxygen is C12H22O11+12O2--->12CO2+11H2O how many g of co2 is produced per g of sucrose used?
8. ### Chemistry

You purchased a 5.00 pound bag of sugar (sucrose, C12H22O11) at the grocery last week to bake cookies. Conversion: 1 pound = 1 lb = 454 grams. a.How many grams of sucrose did you purchase?
9. ### chemistry

can some one help me with a few chem questions please. A chunk of iron weighs 4.32 g. a) How many iron atoms are there in this sample?
10. ### CHEM 1301

A sample of propane, C3H8, contains 12.2 moles of carbon atoms. How many total moles of atoms does the sample contain?

More Similar Questions