Mole Conversion
How many grams does 1 mole of Chlorine weigh?
35.453 g
What is the Molarity of a solution that has 4 moles of NaOH dissolved in 2 Liters of solution?
2 M NaOH
Calculate the pH of an acid that has a [H+] of 1.0 x 10-3.
pH = 3
List 3 of the variables in the thermochemistry equation along with their measured units.
q = Heat (J)
m = mass (g)
c = specific heat (J/g*oC)
ΔT = change in Temperature (oC)
Name this acid:
HCl
Hydrochloric Acid
How many moles of water are found in a 36.03 g sample?
2 moles H2O
Calculate the Molarity of a solution that has 1.6 moles of HCl dissolved in 450 mL of solution.
3.4 M HCL
What is the pH of a base that has a pOH of 11.2?
pH = 2.8
What is the correct formula for thermochemistry?
q =mcΔT
Name this acid:
H2SO4
Sulfuric Acid
How many g does a 2.6 mole sample of HCl weigh?
94.7986 g HCl
How many Liters of a 2.1 M solution contains 3 moles of NaCl?
1.4 L
What is the [H+] of a solution that has a [OH-] of 3.2 x 10-6?
3.1 x 10-9
Calculate the amount of heat gained when 4 grams of water is heated from 12 oC to 48 oC assuming the specific heat of water is 4.18 J/g* oC
602 J
Name this base:
NaOH
Sodium Hydroxide
How many Liters does a 4.5 mole sample of CO2(g) weigh at STP?
100.8 L CO2
How many moles of a 1.5 M solution of H2SO4 is found in a 400 mL sample?
0.6 moles H2SO4
What is the pOH of an acid with a [H+] of 2.6 x 10-4?
pOH = 10.4
What mass of granite is needed to store 150,000 J of heat if the temperature is raised 15.5 0C. The specific heat of granite is 800 J/g * 0C.
12.1 g
Name this base:
NH4OH
Ammonium Hydroxide
How many grams does a 12.4 L sample of H2 (g) weigh at STP?
1.116 g H2
How many grams of HF is required to make 2 Liters of a 3.2 M solution?
128.038 g HF
Calculate the pH of a solution made by dissolving 6.4 moles of HNO3 into 10.0 Liters of solution.
pH = 0.2
Water has a specific heat of 4.18 J/g*0C. How much energy is lost when 112 g of water is cooled from 800C to 400C?
-18,726.4 J
Name this acid:
HClO
Hypochlorous Acid