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Nitrogen forms more oxides than any other element. The percents by mass of N in three
Chapter 2, Problem 2.124(choose chapter or problem)
Nitrogen forms more oxides than any other element. The percents by mass of N in three different nitrogen oxides are
(I) 46.69%,
(II) 36.85%, and
(III) 25.94%. For each compound, determine
(a) the simplest whole-number ratio of N to O and
(b) the number of grams of oxygen per 1.00 g of nitrogen.
Questions & Answers
QUESTION:
Nitrogen forms more oxides than any other element. The percents by mass of N in three different nitrogen oxides are
(I) 46.69%,
(II) 36.85%, and
(III) 25.94%. For each compound, determine
(a) the simplest whole-number ratio of N to O and
(b) the number of grams of oxygen per 1.00 g of nitrogen.
ANSWER:Step 1 of 7
a)
I)
percentage of N = 46.69 percent
percentage of O = 100 - 46.69 = 53.31%
In order to put them in ratio, we need to divide the percentages with Ar of each element:
\(\begin{array}{l} N: O=\frac{\frac{46.69}{14.01}}{\frac{53.31}{16}} \\ N: O=\frac{3.33}{3.33}=1: 1 \end{array}\)
The compound is NO.