Actual coreentration: ?.2012m azw Ammonium aeenne wTable11 OH taa) Balanced equi

Question

Actual coreentration: ?.2012m azw Ammonium aeenne wTable11 OH taa) Balanced equilibrium equation: Predicted pH pH meter T O. 2012 Page 17 General Chemistry Acids and Bases R2 Data Table &: 0.20M Sodium acetate Actual concentration Balanced equilibrium equation 8.02pH Predicted pH":?? pH paper pH meter: - Comment/observation: Dete Tabie 3: 020M Ammonum cehiondée Actual concentraion:0.20IM Data Table 9: 020M Ammonium chlonide Balanced equilibrium equation Actual concentration: Predicted pH pH paper pH meter:

Explanation / Answer

1.

Ammonium acetate is an example for neutral substance or salt because, it contain weak base (ammonia ) and its salt ( acetate ) , with pH of nearly 7.

(CH3COO)NH4 <=> CH3COO- + NH4+

ammonium acetate acetate ammonium ion

2.

Sodium acetate , CH3COONa is also a neutral substance neither acid nor a basic , so its pH will be nearly 7.

CH3COONa <=> CH3COO - + Na+

acetate sodium ion

3.

a salt of ammonia, Ammonium chloride on dissociation it will give ammonium and chloride ions., NH4Cl <=> NH4+ + Cl-

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