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10 grade science

Balance the following equation:

  • A. 6HI + 2HN₃O₃ → 3I₂ + 2NO + 4H₂O
  • B. 6HI + 4HN₃O₃ → 3I₂ + 2NO + H₂O
  • C. 3HI + 2HN₃O₃ → 2I₂ + 2NO + 4H₂O
  • D. None of these

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

To determine which equation is balanced, we need to count the number of atoms of each element on both sides of the equations provided. Let's analyze each option:

Option A: 6HI + 2HN₃O₃ → 3I₂ + 2NO + 4H₂O

Left side: 6 H (from HI) + 2 H (from HN₃O₃) = 8 H, 6 I, 2 N, 6 O

Right side: 8 H (from 4H₂O) + 6 I (from 3I₂) + 2 N (from 2NO) + 4 O (from 4H₂O) = 8 H, 6 I, 2 N, 6 O

This equation is balanced.

Option B: 6HI + 4HN₃O₃ → 3I₂ + 2NO + H₂O

Left side: 6 H + 4 H = 10 H, 6 I, 4 N, 12 O

Right side: 2 H (from H₂O) + 8 H (from 4H₂O) + 6 I + 2 N + 0 O = 10 H, 6 I, 2 N, 1 O

This equation is not balanced.

Option C: 3HI + 2HN₃O₃ → 2I₂ + 2NO + 4H₂O

Left side: 3 H + 4 H = 7 H, 3 I, 2 N, 6 O

Right side: 8 H (from 4H₂O) + 4 I (from 2I₂) + 2 N + 0 O = 8 H, 4 I, 2 N, 0 O

This equation is not balanced.

Final Assessment

Based on the analysis, the only balanced equation is:

Option A: 6HI + 2HN₃O₃ → 3I₂ + 2NO + 4H₂O