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# What is the formula of unit Mass?

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## The formula of unit MassThe formula of unit Mass of a compound signifies the total sum of the atomic masses of all the atoms present in the given compound. The formula of unit Mass can be calculated for those compounds which do not have any discrete molecules but have ions as their constituents unit.Example The formula of unit Mass of Sulphuric acid $\left({\mathrm{H}}_{2}{\mathrm{SO}}_{4}\right)$ ${\mathrm{H}}_{2}{\mathrm{SO}}_{4}=2×1+32+4×16\phantom{\rule{0ex}{0ex}}=2+32+64\phantom{\rule{0ex}{0ex}}=98\mathrm{u}$

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