Equations matrix
(Mol e)/(liter)
What is molarity
Determine the molarity of a solution that was prepared by dissolving 0.5 moles of NaNO3 in enough water to make 1.0 L of solution
What is 0.5 M?
Calculate the concentration in parts per million when 5 grams of solute are dissolved in 500 grams of solution.
5/500 *1,000,000
What is 10,000
The amount of grams of HCl that are needed to saturate a 100 grams of water at 50 oC is this number.
This is what happen when salt is added to boiling water.
What is boiling point elevation?
What is boiling point increases?
=(mass of solute) / (mass of solution) * 1,000,000
What is parts per million?
Determine the molarity of a solution that was prepared by dissolving 1.5 moles of CaCl2 in enough water to make 100 mL of solution
1.5 mol / 0.1 L
What is 15 M
Calculate the total mass of solute in 1000. grams of a solution having a concentration of 5 parts per million
what is 0.005 g?
5 ppm = (x/ 1000) * 1,000,000
The amount of grams of KCl needed to make a saturated solution at 80° Celsius in a solution containing 200 g of water is this number.
What is 104 grams (double the 52 grams in 100 grams of water)?
This is what happens to the vapor pressure when a solute is added to the solution.
What is decreases?
M1V1= M2V2
What is dilution?
Determine the molarity of 2.0 liters of an aqueous solution that contains 60 grams of lithium oxide, Li2O, (gram-formula mass = 30 grams/mole)
60g / 30g/mol= 2 mol
2mol/ 2 L =
What is 1 M
A solution is prepared using 1.25 g of glucose, C6H12O6, in enough water to make 250. g of total solution. The concentration of this solution, expressed in parts per million, is
A. 5.00 × 101 ppm
B. 5.00 × 102 ppm
C. 5.00 × 103 ppm
D. 5.00 × 104 ppm
What is 5 * 10 3 ppm or C
What is about 60oC
When the solution of water is still melted below 00C
What is freezing point depression?
= (mass of solute) /(mass of solution) * 100
What is percent composition?
Determine the moles when the concertation is 5M with a volume of 10 L
5 M = x/ 10 L
5M * 10L =
What is 50 moles?
Calculate the concentration of carbon monoxide in parts per million when 90 grams are dissolved in 9,000 grams of water.
90/ 9090 *1,000,000
What is 9900 ppm?
When 10 grams of KCl are dissolved in 100. grams of water at 30°C, the resulting mixture can be described as these two words
What homogeneous and unsaturated?
Under these condition gases are most soluble in water.
A. high pressure and high temperature
B. high pressure and low temperature
C. low pressure and high temperature
D. low pressure and low temperature
What is high pressure and low temperature?
When 60. milliliters of 1.0 M NaCl is evaporated to a total volume of 30. milliliters, the concentration of the resulting solution is this number
60 mL * 1M = M2* 30 mL
What is 2 M solution?