What is Formula unit mass of NH3. 16. A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by the
ink on the filter paper and placed the filter paper in a glass containing water as shown in Fig. The filter paper
was removed when the water moved near the top of the filter paper.
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The formula of ammonia is NH3 . ... Since there are 3 Hydrogen atoms present, the formula mass of H is 1.0 × 3 = 3.0 g/mol. Therefore, by adding them up, the formula mass of ammonia is: [14.0 g/mol + 3.0 g/mol] = 17.0 g/mol.
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Chromatography
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