17.) How many grams of KBr are required to make 350. mL of a 0.115 M KBr solution?
A) 0.338 g B) 3.04 g C) 4.79 g D) 40.3 g
18.) If 40.0 mL of 0.500 M HCl are diluted to 95.0 mL, what will the HCl concentration of the resulting solution be?
A) 1.19 M B) 0.211 M C) 7600 M D) 4.75 M
19.) An
A) donates an electron pair. B) is a H+ donor. C) is a H+ acceptor. D) produces OH- in aqueous solutions. E) produces H+ in aqueous solutions
25.) Using the VSEPR model, the molecular geometry of the central atom in H2S is
A) trigonal pyramid B) trigonal planar C) tetrahedral D) linear E) bent
26.) Given the balanced equation below and knowing that 0.0470 grams of magnesium metal fully reacted, determine how many grams of hydrogen gas formed as a result of that reaction.
Mg (s) + 2 HCl (aq) = MgCl2 (aq) + H2 (g)
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