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What reactant is limiting if 3000 cm3 of Cl2 at STP react with a solution containing 25 grams of NaBr?
Wiki User
∙ 11y ago
Cl2 + 2NaBr => Br2 + 2NaCl
One mole Cl2 reacts with 2 moles NaBr
Cl2 = 71
NaBr = 102.9
Molar volume = 22.414 L/mole for ideal gas @STP
3L Cl2 = 3/22.414 = 0.1338 mole
25g NaBr = 25/102.9 = 0.2430 mole
0.1338 moles Cl2 requires 0.2676 moles NaBr for complete reaction
The NaBr is the limiting reagent
Wiki User
∙ 11y ago
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