3. In the following total ionic equation, which ions are spectator ions? Experti

Question

3. In the following total ionic equation, which ions are spectator ions? Expertiment 6Clenafication of Chenical Reactions 89 Cu2+ (aq) + 2NOS (aq) + 2Na+ (aq) + S2-(aq) Cusis) + 2NOS (aq) + 2Na" (aq) a. Cu Nat NO5 More than one response is correct. Explain your answer 4. Suppose you had an unknown solution that contained either dissolved NaOH, NaCI, or NaNO,. You added 4 drops of AgNO, solution to 4 drops of the unknown solution and observed that no solid formed. What can be concluded about the unknown solution? a. It contains NaOH. b. It contains NaCI. It contains NaNO, d. No conclusion can be made based on the observations. Explain your answer 5. Suppose you tried to carry out a double-replacement reaction by mixing together equal volumes of a solution that contains dissolved NaOH and a solution that contains dissolved NaCI. What would you expect to happen when the two solutions were mixed? a. A solid would form. b. A solid would not form. Explain your answer

Explanation / Answer

3. e is correct ( more than one response)

because spectator ion is ion that exits in same form on both sides of reactants and products in a chemcial reaction.

In the given reaction Nitrtae ions and sodium ions are spectator ions ( NO3- and Na+). These didnot change their phase and not involved in reaction.

4. answerC:

when AgNO3 addd to NaNO3 solution , these two are nitrates and soluble and there will be no double replacemnets reaction takesplace, because we have two nitrates and switching cations would just creat the same reactants.Finally these two aqeous substances will not form a solid substances.( no solid formation)

5. B. If it is equal volumes of solutions there will ne no solid formed.

  

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