Answer to Question #174025 in General Chemistry for amman

Question #174025

Aqueous hydrochloric acid HCl

 will react with solid sodium hydroxide NaOH

 to produce aqueous sodium chloride NaCl

 and liquid water H2O

. Suppose 34.6 g of hydrochloric acid is mixed with 14. g of sodium hydroxide. Calculate the minimum mass of hydrochloric acid that could be leftover by the chemical reaction. Be sure your answer has the correct number of significant digits.


1
Expert's answer
2021-03-22T08:01:39-0400

Balanced chemical reaction,

HCl + NaOH ---> NaCl + H2O

Molar mass of HCl = 36.5 g

Molar mass of NaOH = 40.0 g

Form balanced chemical reaction

40 g NaOH reacts with ---> 36.5 g HCl

So, 14 g NaOH reacts with---> 36.5×14/40

= 13 g

Mass of HCl left over = 34.6 - 13 = [22.] grams



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