Multiple choice general knowledge science & technology

In this neutralization equation, what is the coefficient needed for H2O to make the equation balanced? Al(OH)3+ HCl = AlCl3 + H2O

  1. 6

  2. 2

  3. 4

  4. 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To balance Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O, we need 3 H₂O molecules. Balancing: Al(1), Cl(3), O(3 on each side), H(6 on each side). The coefficient 3 ensures hydrogen and oxygen atoms are balanced.

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