Calculate the ph of a solution prepared by dissolving 0.750 mol of nh3 and 0.250 mol of nh cl 4 in water sufficient to yield 1.00 l of solution. the kb of ammonia is 1.77 × 10-4 .

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

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