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Chem 104 Final|100% Verified Pass !!!!
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Chem 104 Final|100% Verified Pass 25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is .390 M 4.00 moles of sodium have a mass of 92.0 g 5.21 cm is the same distance as 0.0521 m A 5.00-L tank contains helium gas at 1.50 atm. What is the p...

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  • March 28, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
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Chem 104 Final|100% Verified Pass
25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is

.390 M

4.00 moles of sodium have a mass of

92.0 g

5.21 cm is the same distance as

0.0521 m

A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in mm Hg?

1140 mm Hg

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the
mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the
mixture in torr?

1100 torr

A mixture that is prepared by dissolving 2 g of KCl in 100 g of H2O. In this mixture, H2O is the

solvent

A nuggets of gold with the mass of 521 g is added to 50.0 mL of water. The water level rises to a volume
of 77.0 mL. What is the density of the gold?

19.3 g/mL

A sample of nitrogen gas had a volume of 500. mL, a pressure in its closed container of 740 torr, and a
temperature of 25 C. What was the new volume of the gas when the temperature was changed to 50 C
and the new pressure is 760 torr?

530 mL

According to the Bronsted-Lowry definition,

a base is a proton acceptor

Au is the symbol for

gold

For K w the product of [H3O+] and [OH-] is

1 * 10^-14

how many electrons will chlorine gain or lose when it forms an ion?

gain 1

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