Exam (elaborations)
Chem 162 Exam (In-Class) Practice Problems
- Module
- CAA201 - Test 3.
- Institution
- CAA201 - Test 3.
Chem 162 Exam (In-Class) Practice Problems
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Chem 162 Exam (In-Class) PracticeProblems
Calculate molarity when 734g of lithium sulfate are dissolved in 2500mL of
water? - CORRECT ANSWER-2.7 Molar
Calculate the molarity when 9.0x10^23 molecules of CCl4 are dissolved in
500mL of water? - CORRECT ANSWER-3 Molar
How much water would 1 need to add to a solution made of 500mL of a 2.4M KCl
solution to make the final concentration 1.0M - CORRECT
ANSWER-7.0x10^2mL or .70L
What volume of a .040M HCl solution is needed to reach with 40.0mL of a .090M
NaOH solution - CORRECT ANSWER-90mL or .090L
What's the concentration of potassium hydroxide solution when 68.6mL is
needed to reach the equivalence point with 30.0mL of a .200M sulfuric acid
(H2SO4) - CORRECT ANSWER-.175M
What's the volume of O2(g) occupies 38.7mL at 751mmHg what's the volume if
the pressure changes to 359mmHg - CORRECT ANSWER-80.9mL >>> 81mL
Obtain 79.4mL of CO2(g) at 0 Celsius, how many mL of gas would you obtain at
27 Celsius? - CORRECT ANSWER-87mL
Pressure of 5.0x10^1 atm at depth 5.0x10^2. The volume of the balloon is 5.0L at
what depth of water temperature of 4 Celsius what would the volume of the
balloon be on surface (1.0atm pressure) at temp. of 11 Celsius? - CORRECT
ANSWER-300L or 3x10^2L
A 50.0L cylinder of nitrogen N2 has a pressure of 17.1 atm at 23.0 Celsius,
what's the mass of nitrogen in the cylinder? - CORRECT ANSWER-986g
What's the density of carbon tetra hydride gas at 125 Celsius and 3.50atm? -
CORRECT ANSWER-1.72g/L
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