Maddie+Wood

//**Mole (Avogadro's Number):**// 6.023x10^23 molecules, atoms, or other unit

//**Steps For Finding The Molar Mass Of H2O**// 1). Find the atomic mass of each element in the compound (I have rounded to the nearest whole number). Hydrogen=1 Oxygen=16

2). Multiply each by the # of times it occurs in the compound. 1x2=2 16x1=16

3). Add all the atomic masses together. 2+16=18

4). The molar mass of H20 is 18 grams/mole.


 * Note:**The atomic mass is the mass of an element per mole.

//**Finding the Molar Mass Of Glucose:**// A mole is like a dozen, it tells how many particles [atoms, molecules] are in the substance [element or compound]. Fortunately the atomic mass in grams for any element = one mole

In the compound glucose C6­­H12O6, in each molecule there are 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.

If you have one mole of glucose you have 6.023 x 1023 molecules of glucose.

Since each molecule of glucose has the ratio of 6C:12H:6O the same ratio applies in one mole of glucose. Therefore in one mole of glucose there are: · 6 times 6.023 x 1023 atoms of carbon atoms = 6 x one mole of carbon; · 12 times 6.023 x 1023 atoms of hydrogen atoms = 12 x one mole of hydrogen; · 6 times 6.023 x 1023 atoms of oxygen atoms = 6 x one mole of oxygen.

The number of atoms of an element in a compound is the same as the number of moles of that element in one mole of the compound.

To find the mass of the compound you add the atomic mass of each element times how many atoms of that element are in the molecule or formula:

12g/mole of Carbon x 6 = 72 g of C 1g/mole of Hydrogen x 1 = 12g of H 16g/mole of Oxygen x 6 = __96g of O__ 180 g of glucose/mole

[|How To Calculate The Molar Mass Of A Compound] [|Molar Mass Calculator]
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