Give the formula of the conjugate base of HPO_4^2- (b) Give the formula of the c

Question

Give the formula of the conjugate base of HPO_4^2- (b) Give the formula of the conjugate acid of HPO_4^2-. True or false? write your answers as "True" or "False", not T or R. (a) The rate law for the reaction A products must be rate = k[A][B]^2. (b) When a nucleus emits a gamma ray, its atomic number does not change and its mass number does not change. (c) Two different isotopes of c must have the same number of protons and different numbers of nucleons. (d) Reactions with a very high activation energy will be fast. (e) In an oxidation-reduction reaction, one equivalent of the oxidizing agent always reacts with one equivalent of the reducing agent. For [Cr(NH_3)_2 (en)_2] CI_3 (a) give the oxidation number of Cr (b) give the coordination number of Cr Fats (lipids) are (a) ketones (b) amines (c) alcohols (d) esters (e) amides Give the formula of the compound calcium triaquabromodicyanoferrate(II) When HCl(aq) is titrated with NH_3 (aq), the pH at the equivalence point is (a) less than 7.0 (b) equal to 7.0 (c) greater than 7.0.

Explanation / Answer

1.conjugate base is obtained by the addition of H+

So conjugate base of HPO4 2- is H2PO4 -

Conjugate acid is obtained by the removal of H+

So conjugate acid of HPO4 - is PO4 2-

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