| A | B |
|---|
| Mole to Atoms | Times Mass by 6.02*10^23 |
| Volume to Grams | Divide Volume by 22.4L then multiply by the formula mass |
| Grams to Molecules | Grams divided by formula mass then multiplied by 6.02*10^23 |
| Percentage Yield | Acutal Yield divided by Expected Yield then * 100 |
| What is the Limiting reactant of Cu+2AgNO-3 --> 2Ag+Cu(NO-3)2 | AgNo3 |
| Calculate the formula mass of NaHCO-3. | 83.97g |
| Find the molar mass of barium hydroxide (Ba(OH)2). | 171.32g |
| Calculate the number of atoms in .56 mol of iron. | 3.3712*10^23 |
| How many molecules of CaCO3 are present in 10.8 mol of Calcium carbonate? | 6.5016*10^24 |
| How many grams of Neon gas fill a volume of 35.8 L at STP? | 32.2564 |
| A sample of Iron oxide weights 3.192g.Containing 2.232 g of iron & .96 oxygen.Find the Percent Compsotion. | Iron 70%, Oxygen 30% |
| 92.26% carbon and 7.74% hydrogen.Molar mass of 26.02 g/mol.Calculate the empirical formula. | CH |
| 92.26% carbon and 7.74% hydrogen.Molar mass of 26.02 g/mol.Calculate the molecular formula. | CH |
| 40% carbon.6.7% hydrogen.53.3% oxygen.Molar mass is 180 g/mol.Calculate empirical Formula. | CH2O |
| 40% carbon.6.7% hydrogen.53.3% oxygen.Molar mass is 180 g/mol.Calculate molecular formula. | C2H4O2 |
| 3.0*10^25 atoms of gold.How many moles. | 49.83 mol |
| .250 g of saccharin (C-7H-5NO-3S).How many molecules are there. | 8.22*10^20 |
| Calculate the molar mass and percentage composition for acetic acid (HC-2H-3O-2)) | 60g/m Hydrogen=6.7% Carbon=40% Oxygen=53.3% |
