Answer to Question #24193 in Inorganic Chemistry for Brandon
2013-02-11T04:24:32-05:00
How many grams of HgO must react to produce 3.75 moles of O2?
1
2013-02-15T05:43:31-0500
2HgO = 2Hg + O2 According to the chemical equation the amount of HgO is double of O2 produced. n(HgO) = 2n(O2 ) = 2 x 3.75 = 7.50 moles Molar weight of HgO = 200.59 + 16.00 = 216.59 (g/mol) Molar weights of atoms Hg and O were taken from the periodic table of elements. The mass of HgO needed = amount of HgO (moles) x molar weight (g/mol) m = 7.50 moles x 216.59 (g/moles) = 1624.42 g Answer: m(HgO) = 1624.42 g
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