49. Solving a chemistry problem
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49. Solving a chemistry problem
6. What sample of NaNO3 was taken for analysis by the NO3- to NH3 reduction method, if the released ammonia was absorbed by 40.0 cm3 of 0.124 M hydrochloric acid solution, and the acid residue was titrated with 22.4 cm3 of 0.1002 M sodium hydroxide solution?
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