a. What is the name of Hg 2 Cr 2 O 7 4H 2 O? mercury (II)
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Question:
a. What is the name of Hg2Cr2O7•4H2O?
- mercury (II) chromate tetrahydrate
- mercury (I) chromate tetrahydrate
- mercury (I) dichromate tetrahydrate
- mercury (II) dichromate tetrahydrate
b. Which of the following best describes the electron geometry of PO33-?
- linear
- tetrahedral
- bent
- trigonal pyamidal
c. A chemist titrates a solution of benzoic acid (C6H5COOH) with barium hydroxide. The titration reaction is an example of a . . .
- strong acid reacting with a weak base.
- weak acid reacting with a strong base.
- strong acid reacting with a strong base.
- weak acid reacting with a weak base.
d. Calculate the Molarity of 3.0 % (m/m) NaOH solution if the solution density = 1.05 g/mL.
- 0.075 M
- 0.71 M
- 0.79 M
- 0.32 M
e. Aqueous silver nitrate is reacted with aqueous sodium phosphate in a double replacement reaction. What is the overall balanced equation for this reaction?
- 3AgNO3(aq) + Na3PO4(aq) à Ag3PO4(s) + 3NaNO3(aq)
- AgNO3(aq) + NaPO4(aq) à AgPO4(aq) + NaNO3(s)
- 3AgNO3(aq) + 3NaPO4(aq) à 3AgPO4(s) + 3NaNO3(aq)
- AgNO3(aq) + Na3PO4(aq) à Ag3PO4(s) + NaNO3(aq)
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