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1. Siver nitrate is sadded to a solution containing an unknown salt. An off-white colored precipitate forms. Nitric acid is added to the mixture, the precipitate dissolves and a gas is given off. What is the anion present: Cl-, Br-, I-, PO4 3-, SO4 2-, CO3 2- ?
2. A common table salt substitute gives a lavender flame test. It also yields a nitric acid insoluble white precipitate upon the addition of silver nitrate. What are the formula and name of this commpound sold as salt substitute? Why are these ions absent: Cl-, Br-, I-, PO4 3-, SO4 2-, CO3 2-?
Given the following two solutions: 0.200 M HC2H3O2(aq) with pKa = 4.76 0.200M NaOH(aq) A mixture is made using 50.0 mL of the HC2H3O2 and 25.0 mL of the NaOH. What is its pH?
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Arrange the following from the smallest number of representative particles to the largest number of representative particles.
Water (2290 ) is heated until it just begins to boil. If the water absorbs 5.43×105 of heat in the process, what was the initial temperature of the water?
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