Asked by jimm
A chemical reaction yields 3 moles of lithium hydroxide (LiOH). How many grams of lithium hydroxide are present?
24 g
48 g
72 g
When ethane (C2H6) burns, it produces carbon dioxide and water:
2C2H6 (g) + 7O2 (g) 4CO2 (g) + 6H2O (l)
How many moles of water will be produced when 16 moles of ethane are burned?
32 moles
48 moles
64 moles
24 g
48 g
72 g
When ethane (C2H6) burns, it produces carbon dioxide and water:
2C2H6 (g) + 7O2 (g) 4CO2 (g) + 6H2O (l)
How many moles of water will be produced when 16 moles of ethane are burned?
32 moles
48 moles
64 moles
Answers
Answered by
DrBob222
g = mols x molar mass
Use the coefficients in the balanced equation to convert mols ethane to mols H2O
16 mol ethane x (6 mols H2O/2 mols ethane) = ?
Use the coefficients in the balanced equation to convert mols ethane to mols H2O
16 mol ethane x (6 mols H2O/2 mols ethane) = ?
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