Part 8: Testing for ammonia/ammonium ion Note: NH3(g) H2O(l) NH4 (aq) OH- (aq) (weaker base) (stronger acid) 2) What did you observe when testing ammonia solution with litmus paper

Explanation:

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In this case, since ammonia is a weak base because in the presence of water it ionizes to ammonium ions and hydroxide ions, which provide the basic character, when a strip of universal litmus paper is put inside an ammonia solution, we can evidence it turns blue according to the scale provided on the attached picture.

Whereas it is noticed that a blue coloration corresponds to an average pH of about 11-12 which matches with the reported value (11.6).

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1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)