Strong Acid vs. Weak Acid Worksheet
- Answer Key

 

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  1. What is a strong acid? 

    Strong acids are substances that completely dissociate in solution.

    2.  

     

  2. List the 7 strong acids.
    •  HCl
    •  HBr
    •  HI
    •  HNO3
    •  H2SO4
    •  HClO4
    • HClO3

     

     

  3. How do you identify a strong base?

    Strong bases are substances that bear a negative charge. 

     

     

  4. What is the net reaction in an acid base reaction?

    H+ (aq) + -OH(aq)    → H2O (l)

    5.  

     

  5. A sol’n is prepared by dissolving 10.0 g of NaOH in 140.0 mL of 0.170 M HNO­3. 
    • Will the final sol’n be basic, acidic or neutral?    

      basic

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    • Calculate the ion concentration after the reaction has gone to completion.

      [H+] = 0          [Na+] = 1.79 M        [NO3-] = 0.170 M    [-OH] = 1.62M

     

  6. What volume of 0.0473 M Ba(OH)2 is required to neutralize exactly 16.18 mL of 0.141M H3PO4?

    72.3 mL

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