Reactions In Solution Question Preview (ID: 39435)
AP Chem Game.
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When lead(II)nitrate and sodium sulfide solutions are mixed, what will precipitate?
a) Lead(II)sulfide
b) Sodium nitrate
c) Both lead(II)sulfide and sodium nitrate
d) Nothing will precipitate
When 100 mL of 0.200 M KOH is mixed with 100 mL of 0.200 M MgCl2, how many grams of precipitate will be formed?
a) 1.17 g
b) 0.583 g
c) 1.12 g
d) 0.561 g
A 25 mL pipet is used to transfer 2.50 M Na2SO4 to a 500 mL volumetric flask. What is the concentration of sodium ions when the solution is diluted to the mark and mixed?
a) 0.0625 M
b) 0.250 M
c) 0.125 M
d) 2.50 M
Which of the following solutions contains more ions (cations plus anions)?
a) 50.0 mL of 0.400 M potassium sulfate
b) 0.015 mol potassium sulfate dissolved in 1.00 L
c) 1.74 g of potassium sulfate dissolved in 500.0 mL
d) They are all the same
Which of the following will be the least soluble in water?
a) NaCl
b) HCl
c) Cl2
d) NaClO
Which of the following does not produce a 3.00 M solution?
a) 50.0 mL of 7.50 M sodium chloride diluted to 125 mL
b) 50.0 mL of 3.0 0M sodium chloride mixed with 75.0 mL of 3.00 M sodium chloride.
c) 21.9 g of sodium chloride dissolved in 125 mL of water.
d) All of the above
When 100.0 mL of 0.200 mL of silver nitrate solution is mixed with 75.00 mL of 0.15 M magnesium chloride solution which will be the limiting reactant?
a) Silver nitrate
b) Magnesium chloride
c) Neither. They are exactly stoichiometrically equal.
d)
2.5 L of HCl gas (at STP) is dissolved in a solution containing 25 g of silver nitrate. How many grams of precipitate will be formed?
a) 21.1 g
b) 16.0 g
c) 0.112 g
d) You must know the volume of silver nitrate to calculate it.
Aluminum reacts with bromine to produce aluminum bromide and the product is dissolved in 100.0 mL of water. If 75.0 mg of aluminum reacts with excess bromine, how many mg of bromide ion will be present in 50 mL of the solution?
a) a
b)
c)
d)
Of the compounds Ba(NO3)2, CaCO3, MgI2, RbNO3, Cs2CO3, and LiI, which are not strong electrolytes.
a) CaCO3 only
b) CaCO3 and Cs2CO3
c) LiI and MgI2
d) All are strrong electrolytes
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