Which chemical equation is balanced?
2 answers:
Answer: Option (d) is the correct answer.
Explanation:
An equation will be said balanced equation when there are equal number of atoms on both reactant and product side.
For example,
Number of atoms on reactant sides are as follows.
P = 1
Cl = 5
H = 8
O = 4
Number of atoms on product side are as follows.
P = 1
Cl = 5
H = 8
O = 4
Thus, there are equal number of atoms on both reactant and product side. Hence, this equation is balanced.
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Answer:
4 moles of H₃PO₄
Explanation:
The reaction expression is given as;
3KOH + H₃PO₄ → K₃PO₄ + 3H₂O
Number of moles of water = 12moles
Unknown:
Number of moles of H₃PO₄ = ?
Solution:
From the balanced reaction expression we see that;
3 moles of water is produced from 1 mole of H₃PO₄
So; 12 moles of water would be produced from = 4 moles of H₃PO₄