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AP CHEMISTRY EXAM ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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AP CHEMISTRY EXAM ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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AP CHEMISTRY EXAM• When a buret is rinsed before a titration, which of the techniques belowis the best
procedure?: C
• When the equation above is balanced and all coefficients are reducedto lowest whole
number terms, the coefficient for Fe^2+(aq) is: Not Needed
• A solution of methanol, Ch2OH, in water is prepared by mixing together 25.67g of methanol
and 32.84g of water. The mole fraction of methanol in thesolution is closest to: B
• A sample of a compound contains 36.00% of sulfur and 64.00% of fluorine by mass.
Which of the following represents the empirical formula ofthe compound?: B
• Of the following, the best explanation for the fact that most gases areeasily compressed
is that the molecules in a gas: B
• Given that the density of Hg(l) at 0*C is about 14g ml^-1, which of thefollowing is
closet to the volume of 1.5 mole of Hg(l) at this temperature?: E
• A sample of an unknown gas from a cylinder is collected over water inthe apparatus
shown above. After all the gas sample has been collected, thewater levels inside and outside
the gas collection tube are made the same.
Measurements that must be made to calculate the molar mass of the gasinclude all of the
following: E
• When a student prepares an aqueous solution containing the five cations Ag+(aq),
Hg2^2+(aq), Cu2+(aq), Mn2+(aq), and Ba2+(aq), the studentobserves that no precipitates form
in the solution.Which of the following couldbe the identity of the anion in the solution?: ?
• What is the molarity of I-(aq) in a solution that contains 25.46g of SRl2in 1.00 L of the
solution?: C
• Which of the following is the correct name for the compound with theformula
NH4ClO3?: A
• By mixing only 0.34 HCl and 0.09 M HCl, it is possible to create all ofthe following
solutions EXCEPT: A
• A rigid metal tank contains oxygen gas. Which of the following appliesto the gas in the
tank when oxygen is removed at constant temperature?: B 21. 2NO(g)+o2(g)=>2NO2(g)
• Solid Na3PO4 is added to distilled water to produce a solution in which the concentration
of phosphate, [PO4^3], is 0.20 M. What is the concentrationof aluminum ion, [Na+], in this
solution?: C
• In 2.00 mol of potassium sulfate dodecahydrate, KAI(SO4)2*12H2O, thereare: C
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