The maximum mass of NaCl that could be produced by chemical reaction is 14.03grams
What is Stoichiometry?
Stoichiometry is a branch of chemistry that includes determining desired quantitative data by exploiting relationships between reactants and/or products in a chemical process.
Stoichiometric challenges are grouped into various types: Mass to mass conversion. Mass to moles conversion. Mole to mass steps conversion.
What is limiting agent?
The limiting reagent is the reactant that is totally consumed in a reaction, determining when the reaction comes to a halt. The exact amount of reactant required to react with another element can be estimated using reaction stoichiometry.
Given,
Mass of hydrochloric acid = 32.8 grams
Molar mass of hydrochloric acid (HCl)= 36.46 g/mol
Mass of sodium hydroxide = 9.7 grams
Molar mass of sodium hydroxide = 40.0 g/mol
According to the question, equation would be :
[tex]HCl + NaOH[/tex] → [tex]NaCl + H_2O[/tex]
moles of HCl = Given mass of HCl / Molar mass of HCl
moles of HCl = 32.8 / 36.46 = 0.899 ≅ 0.90moles
moles of NaOH = Given mass of NaOH / Molar mass of NaOH
moles of NaOH = 9.7 / 40.0 = 0.242 ≅ 0.24moles
Here, NaOH is a limiting factor, so it will be consumed completely. But moles of HCl are in excess.
So, only 0.24moles of HCl will be consume and remaining will be 0.90moles - 0.24moles = 0.66moles.
When 1 mol HCl react with 1 mol NaOH it produce 1 mol NaCl and 1 mol [tex]H_2O[/tex]
For 0.24moles of NaOH, we will have 0.24moles of NaCl
Maximum mass of NaCl = no. of moles of NaCl * molar mass of NaCl
mass of NaCl = 0.24 * 58.44 = 14.0256 ≅14.03grams
mass of NaCl ≅14.03grams
The maximum mass of NaCl that could be produced by chemical reaction is 14.03grams
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