The First Step in the Ostwald Process for Producing Nitric $\rarr$

question 4

Multiple Choice

The first step in the Ostwald process for producing nitric acid is 4NH₃(g) + 5O₂(g) $\rarr$ 4NO(g) + 6H₂O(g) .If the reaction of 150. g of ammonia with 150. g of oxygen gas yields 87. g of nitric oxide (NO) , what is the percent yield of this reaction

• A) 33%
• B) 49%
• C) 62%
• D) 77%
• E) 100%

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Definitions:

Six-figure Accuracy

Precision that extends to six digits.

Overline

In mathematics, a line drawn over symbols to indicate that they are considered together, such as in the notation for a repeating decimal.

Denominator

The number under a division line in a fraction. The denominator is also known as the divisor.

Unknown Variable

A symbol in mathematics that represents a number or value which is not yet identified.