How many moles of chlorine gas (Cl2) would react with 5 moles of sodium (Na) according to the following chemical equation: Na + Cl2 --> NaCl?

1 Answer
Meave60
Nov 4, 2015

"2.5 mol Cl"_2" will react with "5 mol Na".

Explanation:

Balanced Equation

"2Na(s)" + "Cl"_2("g")rarr"2NaCl(s)"

Multiply the given moles of "Na" times the mole ratio (1"mol Cl"_2)/(2"mol Na") from the balanced equation.

5cancel"mol Na"xx(1"mol Cl"_2)/(2cancel"mol Na")="2.5 mol Cl"_2"

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