Elements and Compounds

# How many atoms of carbon are in 10.0 grams of carbon?

no.moles of carbon = mass/relitive molecular mass = 10/12 = 0.833

no atoms in a mole = 6.022 x 1023, and we have 0.833 of a mole = 5.0183 x 1023 atoms in 10g of carbon.

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## Related Questions

100 g of carbon contain 50,1427.1023 atoms.

100 grams carbon (1 mole C/12.01 grams) = 8.33 moles of carbon ------------------------------

Gold has a molar mass of 196.96655 grams per mole. 100 grams then is equal to .508 moles which makes 3.059 E23 atoms of gold.

Butane is C4H10. So; 100 grams C4H10 (1mol C4H10/58.12g)(4mol C/1mol C4H10 )(6.022 X 10^23/1mol C) = 4.14 X 10^24 atoms of Carbon.

For carbon 0.80 x 100 = 80 grams of carbon; and for hydrogen 0.20 x 100 = 20 grams of hydrogen

100 grams zinc (1 mole Zn/65.41 grams)(6.022 X 1023/1 mole Zn) = 9.21 X 1023 atoms of zinc ------------------------------------

The gram atomic mass of aluminum is 26.9815. 100 grams therefore constitutes 100/26.9815 or about 3.706 gram atoms of aluminum. Each gram atom contains Avogadro's Number of atoms; therefore, 3.706 gram atoms contains 3.706 X 6.022 X 1023 or 2.23 X 1024 atoms, to the justified number of significant digits.

how many cups of butter in 100 grams

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