Which term best describes what Donna observed? A:dew B:fog C:mist D:rain
1 answer:
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Answer:
The molar mass of CO2 = 44.01 g/mol
Explanation:
Start with 2.09 moles of HCl and convert to moles of CO2 For every 2 moles of HCl used, 1 mole of CO2 is formed.
2.09 mol HCl •(1 mol CO2/2 mol HCl) = 1.045 mol CO2
Now convert moles of CO2 to grams using the molar mass.
1.045 mol CO2 • 44.01 g/mol = 45.99 grams CO2
3 significant figures = 46.0 grams CO2
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