CHEM 116 Final Exam With complete solution RATED A+ 2025/2026 Updated new!!

CHEM 116 Final Exam With complete solu on RATED A+
2025/2026 Updated new!!

A solu on is made by mixing 37.8 mL of 0.354 M CaI2 and 36.7 mL of 0.288 M AlI3. What is the
concentra on of I- in the resul ng solu on? - CORRECT ANSWERS 7.85 × 10-1 M



Which of the following is a solu on?

-paint

-fog

-blood

-brass

-none of the above - CORRECT ANSWERS brass



Salt in water

Sugar in water

Alcoholic drinks (alcohol in water)

Tea

Oxygen in water

....are examples of what? - CORRECT ANSWERS solu ons



Which of the following is a solu on?

-bronze

-glass

-gold

-air

-all of above - CORRECT ANSWERS all of the above

, What is the expected vapor pressure when 58.9 g of hexane (C6H14) is mixed with 44.0 g of
benzene (C6H6) at 60.0 °C?

Vapor pressure of pure hexane at 60 °C is 573 torr.

Vapor pressure of pure benzene at 60 °C is 391 torr. - CORRECT ANSWERS 3. VP=491 torr



A solu on contains .550 moles of CH3CN (P=81torr at 23C) and .350 moles of C3H6O (P=184.5
torr at 23C). The vapor pressure of the solu on at 23C is? - CORRECT ANSWERS 121 torr



Find the molarity of 21.4 m HF. This aqueous solu on has a density of

1.101 g/mL. - CORRECT ANSWERS 4. 16.5 M HF



Find the molality of 18 M H2SO4. This solu on has a density of 1.84 g/mL. - CORRECT
ANSWERS 4. 242 molal H2SO4



If a reac on is endothermic, which way does the eqm shi@ if the temp increases? - CORRECT
ANSWERS to the product side (right)



If a reac on is exothermic, which way does the eqm shi@ if the temp is increased? - CORRECT
ANSWERS to the reactant side (le@)



Soln with highest colliga ve molality (i x m) has high/low boiling/freezing point? - CORRECT
ANSWERS -highest boiling point

-lowest freezing point



Soln with lowest colliga ve molality (i x m) has high/low boiling/freezing point? - CORRECT
ANSWERS -lowest boiling point

-highest freezing point