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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

Answer» <p>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.</p> <p>(a)Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula NO.</p><p>(b)The chemical formula of ammonia is NH3.(c)The chemical formula for hydrochloric acid is HCl</p><p>(d)The formula forsulfuric acid is H2SO4.</p><p>(e) Potassium carbonate (chemical formula: K2CO3), also known as potash.</p>


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