Terephthalic acid is a chemical used to make polyesters, including disposable water bottles. It has the empirical formula C4H3O2. The molar mass of terephthalic acid is 166 g/mol. What is its molecular formula?

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Q: How many grams of Fe(NO3)3 must be used to prepare 1.50 L of a 0.0725 M Fe(NO3)3 solution? ____g

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Q: toluene CH3 + KMnO4 Na₂CO3 H₂O MnO₂ COO-Na* sodium benzoate H* COOH benzoic acid

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Q: 9. Fill in the reagents for each reaction. ОН ОН OH + en + en

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.