Chemical Composition: Conversions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Avogadro's Number | 1 mole = 6.022 x10 to the 23 atoms
🗑
|
||||
| 1 mole Si | =6.022 x 10 to the 23 Si atoms/1 mole Si
🗑
|
||||
| Molar Mass of SiO2 (g/mol) | = 28.09 g/1 molle Si + (2 x 16g/1 mole O2)=60.09g SiO2/mole SiO2
🗑
|
||||
| Molar Mass of CaCl2 (g/mol) | = 40.078 g/1 mole Ca + (2 x 35.453 g/1 mole Cl)= 110.984 g/1 mole CaCl2
🗑
|
||||
| Average atomic mass of Ne | =Average atomic mass of Ne isotopes ((20)Ne + (21)Ne + (22)Ne) = (19.99 amu + 20.99 amu + 21.99 amu)/3 = 20.18 amu
🗑
|
||||
| Grams to Moles | No. of mole atom (mol) = mass (g)/molar mass (g/mol)
🗑
|
||||
| No. mol of Si | = 30.5 g of Si X 1 mole Si/28.09 g Si = 1.09 mol Si
🗑
|
||||
| Moles to Atoms | No. of atoms = No. of mole of atom (mol) X 6.022 x 10 to the 23 atoms/mol
🗑
|
||||
| No. of atoms Si | = 1.09 mole Si X 6.022 x 10 to the 23 atoms Si/ mol Si = 6.56 x 10 to the 23 atomsSi
🗑
|
||||
| Atoms to Grams | Mass (g) = No. of atoms X molar mass (g/mol)/6.022 x 10 to the 23 (atoms/mol)
🗑
|
||||
| Grams to Molecules | No. molecules = mass (g) of sample /molar mass (g/mol) X 6.022 x 10 to the 23 molecules/mol
🗑
|
||||
| No. of CaCl2 molecules | = 49.3 g Cacl2 X 1mol CaCl2 /110.984 g X 6.022 x 10 to the 23 atoms CaCl2/1 mol CaCl2 = 2.67 x 10 to the 23 molecules
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
nikkimem32
Popular Chemistry sets