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9. What is a chemical formula? Write the formula of the following com pounds:a) Nitric adid (b) Ammonia (e)Hydrogen chloride (d) Sulphuric acid (e) Potassium carbonate |
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Answer» A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus and minus signs. (a)Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula NO. (b)The chemical formula of ammonia is NH3.(c)The chemical formula for hydrochloric acid is HCl (d)The formula forsulfuric acid is H2SO4. (e) Potassium carbonate (chemical formula: K2CO3), also known as potash. |
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