Amajor textile dye manufacturer developed new yellow dye. the dye has a percent composition of 75.9 5% c, 17.72% n
and 6.33% h by mass with the molar mass of about to 240 g/mol. determine the molecular formula of the dye.

Such molecule must have molecular formula of C15N3H15

Explanation:

Mass of carbon in such molecule

The atomic mass of carbon is 12.01 g/mol, so in 182.28 g of carbon there is 15.18 mols of carbon.

Mass of Nitrogen in such molecule

The atomic mass of nitrogen is 14.01 g/mol, so in 42.53g of nitrogen there is 3.04 mols of nitrogen.

Mass of Hydrogen in such molecule

The atomic mass of Hydrogen is 1.00 g/mol, so in 15.19 g of Hydrogen there is 15.19 mols of Hydrogen.

Such molecule must have molecular formula of C15N3H15

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nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.