s10q06 - 1. Chem 171 Quiz 6 Version A Briefly describe the...

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Chem 171 Quiz 6 Version A 1. Briefly describe the procedure used in the “Reactivity of Metals” experiment for mixing acid with water. State why you think this is an exception to the generally accepted procedure. In this lab we add water to the acid already in the buret. Chemistry rules state that acid should always be added to water. One reason has to do with the potential for splashing. By adding acid to water, the bulk of liquid splashed would be water. 2. What method would you use to distinguish between Na 2 CO 3 , CaCO 3 and K 2 CO 3 . Explain. The flame Test Each cation will impart a different color to the flame. Chem 171 Quiz 6 Version B 1. Write the net ionic equation for the reaction of Ni(NO 3 ) 2 (aq) with solid iron. Which element is being oxidized? Which element is being reduced? Identify the reducing agent. Identify the oxidizing agent. Fe(s) + Ni 2+ (aq) Fe 2+ (aq) + Ni(s) Fe is oxidized Ni is reduced Fe(s) is the reducing agent Ni(NO 3
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s10q06 - 1. Chem 171 Quiz 6 Version A Briefly describe the...

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