Reactions In Solution II Question Preview (ID: 39443)


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25 mL of 1.5 M solution is diluted to 500 mL. 40 mL of the resulting solution is diluted to 200 mL. What is the final concentration?
a) 0.015 M
b) 0.030 M
c) 0.060 M
d) 0.0075 M

Which reactant is limiting when equal volumes of equal concentrations of strontium nitrate and sodium sulfate are mixed?are
a) Sodium sulfate
b) Strotium nitrate
c) Both are equivalent stoichiometrically
d)

If 450 mL of 0.15 M HCl is mixed with 270 mL of 0.10 M Mg(OH)2 are mixed
a) The solution will be neutral
b) The solution will be acid
c) The solution will be basic
d) A precipitate will form

A 500 mL sample of a 0.350 M solution is left open on a lab counter for weeks, after which the concentration of the solution is 0.955 M. What is the new volume of the solution?
a) 0.183 L
b) 223 mL
c) 605 mL
d) 91.5 mL

In the reaction between sodium carbonate and calcium chloride, the spectator ions are
a) H+ and OH-
b) Na+ and Ca2+
c) Cl- and Na+
d) Carbonate and chloride

How many mL of 0.250 M NaOH would be needed to exactly neutralize 50 mL of 0.100 M H2SO4?
a) 50.0 mL
b) 40.0 mL
c) 10.0 mL
d) 25.0 mL

What mass of Na2SO4 is required to prepare 400. mL of 1.50 M Na2SO4 solution?
a) 213 g
b) 56.8 g
c) 71.4 g
d) 85.2 g

NaOH reacts with FeCl3 to produce a precipitate. If 100 mL of 0.100 M NaOH is added to 100 mL of 0.100 M FeCl3, the concentration of sodium ions in the resulting solution would be
a) 0.100 M
b) 0.0500 M
c) The same as the concentration of chloride ions
d) 0.0333 M

0.466 g of an unknown metal chloride is dissolved in water. If the resulting metal ions are completely precipitated by the addition of 22.4 mL of 0.1000 M sodium chromate, the unknown substance is
a) AgCl
b) NaCl
c) PbCl2
d) BaCl2

Which will contain the most ions? (total cations and anions)
a) 1 L of 0.2 M CaCl2
b) 0.5 L of 0.2 M Na3PO4
c) 2 L of 0.2 M KCl
d) 2 L of 0.2 M (NH4)2CO3

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