Question

If 890 mL of 0.236 M aqueous NaI and 0.560 mol of liquid Br2 are reacted stoichiometrically according to the balanced equation, how many moles of liquid Br2 remain? Round your answer to 3 significant figures.

2NaI(aq) + Br2(l) ¡æ 2NaBr(aq) + I2(s)

Molar Mass (g/mol)
NaI 149.89
Br2 159.81


Br2 3.12
Molar Volume (L)
22.4 at STP

Gas Constant
(L.atm.mol-1.K-1)
0.0821

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