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Sagot :
The FORMULA for the limiting reagent is [tex]ZnOH_2[/tex].
4.27 grams of reactant remains after the reaction is complete.
What is a limiting reagent?
The limiting reagent is the reactant that is completely used up in a reaction and thus determines when the reaction stops.
Given data:
Mass of sulfuric acid = 41.0 grams
Molar mass of sulfuric acid = 98.08 g/mol
Mass of zinc hydroxide = 36.5 grams
Molar mass of zinc hydroxide = 99.424 g/mol
Step 1:moles sulfuric acid = mass sulfuric acid / molar mass sulfuric acid
moles sulfuric acid = 41.0 grams / 98.08 g/mol
moles sulfuric acid = 0.41 moles
Step 2: moles of zinc hydroxide
moles zinc hydroxide = 36.5 grams / 99.424 g/mol
moles zinc hydroxide =0.367 moles
Step 3: Calculate limiting reactant
zinc hydroxide is the limiting reactant. It will completely be consumed.
There will remain 0.41 moles - 0.367 moles = 0.043 moles
This is 0.043 moles x 99.424 g/mol
= 4.27 grams
Learn more about the limiting reagent here:
https://brainly.com/question/14155328
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