bellrivera3434
06.04.2021 •
Chemistry
Can u guys plz help me wit dis
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Ответ:
0.72 moles of hydrochloric acid are needed to completely react with 0.36 mol of lead.
Explanation:
The balanced reaction is:
Pb + 2 HCl → PbCl₂ + H₂
By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of reagent participate:
Pb: 1 moleHCl: 2 molesYou can apply the following rule of three: if by stoichiometry of the reaction 1 mole of Pb reacts with 2 moles of HCl, 0.36 moles of Pb will react with how many moles of HCl?
amount of moles of HCl= 0.72 moles
0.72 moles of hydrochloric acid are needed to completely react with 0.36 mol of lead.