The Missing Number in the Equation 4NH₃ + [ ]O₂ $\rarr$

question 50

Multiple Choice

The missing number in the equation 4NH₃ + [ ]O₂ $\rarr$ 4NO + 6H₂O is

• A)1.
• B)2.
• C)5.
• D)10.

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Extra earnings received from disposing of an additional unit of a good or service.

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