Chemistry class 9 chapter 3 test
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Ответ:
6.50 grams of the compound X is nitrogen
Explanation:
Step 1: Data given
Mass of compound X = 37.8 grams
Compound contains 17.2 % N
Step 2: Calculate mass of nitrogen
Mass nitrogen = % Nitrogen * total mass
Mass nitrogen = 17.2 % * 37.8 grams = 0.172 * 37.8 grams
Mass nitrogen = 6.50 grams
6.50 grams of the compound X is nitrogen