For this problem, the Atomic Mass is required. Take the mass in grams and divide it by the atomic mass. Then multiply it by Avogadro's constant, 6.02 × 1023.
.06 grams C / (12.0 grams) × (6.02 × 1023 atoms) = 3.01 × 1021 atoms
The gram atomic mass of carbon is 12.01, so that 6.5 grams contains 6.5/12.01 moles = 0.54 mole, to the justified number of significant digits. Multiplying this by Avogadro's number, 6.02 X 1023, gives 3.3 X 1023 atoms, to the justified number of significant digits.
12/6 = 2
so: (6.023*10^23)/2 = 301150000000000000000000 atoms of C12.
6 grams 12C (1 mole 12C/12.01 grams)
= 0.5 moles 12C
===========
The answer is 36,132 847 74.1023 carbon atoms.
12.0107 grams per mole of carbon / 6.05 grams = 1.98524 moles
Atoms in 6 grams of 12C: 3,011070895.1023
0.029 lead
0.5
0.006327754
This is based on calculations too. It contains 18 hydrogen moles.
There are approximately 8.91 mols in 18.0g of hydrogen gas. Calculation: 18.0g x (1mol/2.02g) = 8.91 mols One mole of hydrogen gas (H2) is 2.02g.
potassium dichromate- K2Cr2O7 12.5 grams K2Cr2O7 *(1 mol K2Cr2O7/294 grams K2Cr2O7)= .0425 mols K2Cr2O7 There's two mols of K (potassium) for every 1 mol of K2Cr2O7 (Potassium Dichromate) so you multiply the K2Cr2O7 by two to get mols of K .0425 mols K2Cr2O7*(2 mols K/1 mol K2Cr2O7)=.085 mols K Multiply by the molar mass of K to get grams .85 mols K*(39 grams/1 mol K)= 3.32 grams potassium
4.50 g(1/169.88) =.0265 mols
.003 mols .003 mols
It's 97g/195.1g Pt = .497 .497 x 6.022x10^23= 2.993 mols/atom.
Glucose is 180.16 g/mol. Doing stoichiometry, this means 1.97 grams is 0.0109 mol glucose. Because there are 6 mols of carbon per 1 mol of glucose, that means there are 0.0656 mols of carbon in this sample. One mole is equivalent to 6.023 x 1023 atoms, which leads to 3.95 x 1022 carbon atoms.
1 mol of oxygen is 16.00g. Therefore 2.43g of oxygen would contain 0.152 mols of oxygen. (2.43g/16.00g)
you would get 6.4 mols of NaCl and 0.3 mols of unreacted Na
1 mole.
49.03924
The answer is 9,92 moles.
0.006327754
I suppose that the answers are: - 0,9 moles aluminium ions - 2,7 moles chloride ions
Mols-Linien was created in 1964.
Christine Dea Mols's birth name is Dea Christine Hellstrm Mols.