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The formula for methane shows that each molecule of it contains 5 atom: 1 carbon atom and 4 hydrogen atoms. The gram molecular mass of methane is 16.04. Therefore, 28 grams of methane contains 28/16.04 moles of methane and 5 times this number, or 8.7, "moles of atoms", to the justified number of significant digits.
Wiki User
∙ 11y ago
Wiki User
∙ 10y agoCO2 has a molecular weight of one carbon (12) plus two oxygen (2x16) or 44. A gram-mole is one gram times the molecular weight so a gram mole of CO2 is 44 grams.
Thus 28 grams is 0.636 gram-mole.
Wiki User
∙ 7y agoWiki User
∙ 7y ago1 mol carbon has 12,011 g; so:
x---------------------------28 g
x = 28/12,011 = 2,33 moles
Wiki User
∙ 6y ago28 grams of CO2 is equal to 0,636 moles.
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28 g = about 1 ounce (0.9877 oz).
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How many grams in 108oz?
How many grams are in 28 ounces?
28 g = about 1 ounce (0.9877 oz).
