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Calculating Mass of Sodium Chloride

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Sodium chloride is obtained when sodium carbonates react with hydrochloric acid. The equation for the reaction is:

Na2CO3 = 2HCl --> 2NaCl + CO2 + H20

Calculate the mass of sodium chloride that can be obtained when 5 g of sodium carbonate is completely decomposed.

(RAM = C=12, 0 = 16, Na = 23)

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Solution Summary

This solution includes a detailed step-by-step guide on how to approach this calculation based question and derive the correct answer. This solution includes the necessary equations which need to be used in order to calculate the necessary values and conduct the right conversions between units.

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By reading the coefficients in the reaction equation, we see that we get 2 moles of NaCl for each mole of sodium carbonate reacted. The first step we need to do is calculate the moles of sodium carbonate that we are going to react. To do this we need the molecular weight of sodium carbonate. It is calculated by summing up the atomic weights of the atoms which are in sodium carbonate. This is:

MW(Na2CO3) = 2*AW(Na) + ...

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