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Given the following unbalanced chemical reaction: As + NaOH Na3AsO3 + H2 What would be the coefficient of the NaOH molecule in the balanced reaction?
Given the following unbalanced chemical reaction: As + NaOH Na3AsO3 + H2 What would be the coefficient of the NaOH molecule in the balanced reaction? a.1
b.2
c.4
d.6
Answer: -6Explanation: -The given unbalanced chemical equation is As + NaOH -- > Na3AsO3 + H2We see there 3 sodium on the right side from Na3AsO3.But there are only 1 sodium on the left from NaOH.So we multiply NaOH by 3.As + 3 NaOH -- > Na3AsO3 + H2Now we see the number of Hydrogen on the left is 3.But the number of hydrogens is 2 on the left.So, we multiply to get both sides 6 hydrogen.As + 6NaOH -- > Na3AsO3 + 3 H2Rebalancing for Na,As + 6NaOH -- > 2Na3AsO3 + 3 H2.Finally balancing As,2 As + 6 NaOH -- > 2Na3AsO3 + 3H2The coefficient of the NaOH molecule in the balanced reactionis thus 6...
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