51.736 moles
621.35 grams is the mass given by wiki. So, since diamonds are mostly pure carbon............. 621.35 grams C (1 mole C/12.01 grams) = 51.736 moles of carbon
450 moles of C2H4 contain 10.815,43 g carbon.
350 g sample of CO contain 12,49 moles.
As one mole of CO2 contain 2 oxygen having molar mass 32. Soo there will be 0.50 moles of CO2 which contain 16g of oxygen....!
Diamonds are all carbon. just divide 1200 grams by 12.01 grams per mole carbon.
621.35 grams is the mass given by wiki. So, since diamonds are mostly pure carbon............. 621.35 grams C (1 mole C/12.01 grams) = 51.736 moles of carbon
2.08*10^-2 mol
450 moles of C2H4 contain 10.815,43 g carbon.
3
350 g sample of CO contain 12,49 moles.
Quinine - C20H24O2N2 - contain 74,074 % carbon; the molar mass is 324,42 g.
As one mole of CO2 contain 2 oxygen having molar mass 32. Soo there will be 0.50 moles of CO2 which contain 16g of oxygen....!
Diamonds are all carbon. just divide 1200 grams by 12.01 grams per mole carbon.
Multiply by avagadro constant. It is equals to 6.022*1^23
2.6 moles C9H8O4 (9 moles C/1 mole C9H8O4)(6.022 X 10^23/ 1mole C) = 1.4 X 10^25 atoms of carbon
Moles of carbon dioxide = grams/amu of carbon dioxide. Moles = 19g/44amu Moles of carbon dioxide = .432
Convert 1.35 × 1024 atoms of carbon to moles of carbon