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When two substances react to form products, the reactant which is used up is called the ____.
a. determining reagent
c. excess reagent
b. limiting reagent
d. catalytic reagent
User: How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O at STP?
4HCl(g) + O(g) 2Cl(g) + 2HO(g)
a. 0.98 L
c. 3.9 L
b. 0.49 L
d. 2.0 L

Respuesta :

The reactant being used up is called limiting reagent as it limits the total amount of product produced.

if 4 units of HCL gives 2 units of Cl therefore
4:2
0.98:x
x=(0.98*2) /4
x=0.49L

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