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Grade: 11

                        

How many moles of lead (II) chloride will be formed from a reaction between 6.5g of PbO and 3.2 g of HCl?

3 years ago

Answers : (1)

Arun
24737 Points
							

First of all, write out the reaction.

PbO + 2HCl = PbCl2 + H2O
(Don't forget to correctly balance the reaction)

6.5g PbO x 1mol PbO/223 g = 0.03 mol PbO

3.2g HCl x 1mol HCl/36.5g = 0.088 mol HCl

From this, we can conclude that PbO is the limiting reactant/reagent. Therefore, we will use PbO to figure out the amount of moles of PbCl2.

0.03 mol PbO x 1mol PbCl2/1molPbO = 0.03 mol PbO.

3 years ago
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