Download (s) If 5.00 moles of zinc is placed into 1.50 L... 34. solution,what is the mass of the hydrogen gas produced?

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Transcript
Base your answers to questions 34 through 32 on on the following
chemical reaction:
Zn (s) + 2 HCI (aq) ~ Znc~ (s) +Hz(g)
If 5.00 moles of zinc is placed into 1.50 L of a 3.00MHCI
34. solution,what is the mass of the hydrogen gas produced?
(A) 0.750 g
(D) 5.00 g
(B) 2.25 g
(E) 10.0 g
(C) 4.50 g
32. How many grams of Zinc (atomic mass 65.0 g) are required
to react completelywith 1.00 mol HCI?
(A) 32.5 g
(D) 195. g
(B) 65.0 g
(E) 97.5 g
(C) 130. g
2074. Which quantum numbers represent the highest energy
electron of bromine's valence orbital?
(A)
4 0 1 .!.
(D)
, , ,2
(B)
(C)
4 2 0 .!.
, , ,2
(E)
4 0 0 .!.
, , ,2
1
4,1,1, 2"
4 1 2 .!.
, , ,2
280. Molecules exhibiting a planar configuration include which of
the following?
I. AlCl3
IT. NH3
lIT.CHFI
(A) I only
(B) ITonly
(C) lITonly
(D) I and IT
(E) I and lIT
248. Which of the following sets of quantum numbers
characterizes the highest energy electron for an indium atom
(atomic number 49) in the ground state?
(A) 5, 0,1, ~
(D) 5,2, 1, ~
(B) 5,0, 0, ~
(E) 5, 1, 1, ~
(C) 5,1, 2, ~
1726. In which compoundis sp2hybridizationpresent in the
bonding?
(A) BH3
(D)Hz°
(B) Cfi2
(E) C02
(C) CH4
Page 16