CHE 111 C4--Reactions In Aqueous Solution: Question Preview (ID: 9359)

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Is CuS soluble in water?
a) yes b) no c) d)
Is HClO a strong electrolyte?
a) yes b) no c) d)
In the reaction of CaBr2 and K2CO3, what will be the precipitate?
a) CaBr2 b) K2CO3 c) CaCO3 d) KBr
Choose the weak acid.
a) HF b) HCl c) HBr d) HI
Oxidation is the * of electrons and reduction is the * of electrons.
a) gain, loss b) loss, gain c) d)
In the reaction Cu + 2 HBr = CuBr2 + H2, what is the oxidation number of Cu?
a) +1 b) +2 c) 0 d) -2
In the reaction Cu + 2 HBr = CuBr2 + H2, what is oxidized?
a) Cu b) H+ c) Br- d) H2
Will Ag react with AlBr3?
a) yes b) no c) d)
What is the molarity if 25 g KI are dissolved in enough water to make 250 mL?
a) 0.60 M b) 0.00060 M c) 0.1 M d) 0.01 M
How many mL of 6 M HCl are needed to make 250 mL of 2 M HCl?
a) 83 mL b) 0.083 mL c) 42 mL d) 21 mL
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