Aqueous sulfuric acid (H2SO4) will react with solid sodium hydroxide (NaOH) to p

Question

Aqueous sulfuric acid (H2SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na2SO4) and liquid water (H2O). Suppose 14. g of sulfuric acid is mixed with 20.7 g of sodium hydroxide. Calculate the minimum mass of sulfuric acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.

Explanation / Answer

2NaOH + H2SO4 -> (Na)2SO4 + 2H20 ionic : Na + + OH - + 2H+ + SO42- > Na+ + (SO4)2- + 2H20 net => H+ + OH- -> H20 for 20.7/98 mole of NaOH we need 0.105 mole of H2SO4 wieght required 0.105*40 =4.22 gram so wieght of H2SO4 left = 9.8 gram

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