State dilute solution of ammonia containing phenolphtalein

Reference no: EM13182885

After the addition of the ammonium ion to a dilute solution of ammonia containing phenolphtalein it became much paler. Please explain why with LeChatelier principles.

After the addition of HCl to a dilute solution of ammonia containing phenolphtalein, the solution became transparent. Please explain why with LeChatelier principles.

Reference no: EM13182885

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