A compound has the composition Na=29.0% Sulphur 40.5,% and Oxygen 30.5%. If teh formula mass is 158. What is the formula unit of compound.
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The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol). The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of the constituent atoms.
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Thats pic send again I will try
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