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MrRissso [65]
3 years ago
10

Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2B which

of the following statements concerning this reaction are incorrect?(i) The product A2B shows the properties of substances A and B(ii) The product will always have a fixed composition(iii) The product so formed cannot be classified as a compound(iv) The product so formed is an element
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)​
Chemistry
2 answers:
andrew11 [14]3 years ago
6 0
I think c is the answer!
satela [25.4K]3 years ago
5 0

Answer:

I think option C is the correct answer for this

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the balanced chemical equation for the reaction is as follows

H₃PO₄ + 3KOH ---> K₃PO₄ + 3H₂O

stoichiometry of H₃PO₄ to KOH is 1:3

first we have to find which the limiiting reactant is

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number of H₃PO₄ moles reacted - 4.4 mol

if H₃PO₄ is the limiting reactant

1 mol of H₃PO₄ reacts with 3 mol of KOH

then 4.4 mol of H₃PO₄ reacts with - 3 x 4.4 mol = 13.2 mol of KOH

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number of KOH moles reacted - 3.8 mol

therefore number of K₃PO₄ formed = number of KOH moles reacted / 3

= 3.8 mol / 3 = 1.3 mol


answer is 1.3 mol of K₃PO₄


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