Vocab
What is a solution?
A homogeneous mixture in the same state in which one substance is spread evenly throughout another substance
What does saturated mean?
contains the maximum amount of solute that can dissolve at a given temperature
What is the formula for Molarity?
moles of solute over liter of solution
What is the formula for PPM?
mass of solute over mass of solution times 1000000
During Solubility, as temperature ...., solubility....
increases,increases
What is a solvent?
The substance that does the dissolving
What does unsaturated mean?
contains less than the maximum amount of solute that can dissolve at a given temperature
What table do you use to convert mL to L?
Table D
What does PPM stand for?
Parts Per Million
During Hydration, what side will the positive ions be attracted to?
the negative side
What is a precipitate?
An insoluble solid that emerges from a solution
What does supersaturated mean?
contains more than the maximum amount of solute that can dissolve at a given temperature
What is the molarity of a solution that contains 2 moles NaNO3 in 1 liter of solution?
2M
What is the concentration in ppm of a solution that contains 0.05 grams of O2 dissolved in 1000 grams of water?
50 ppm
What is a non-electrolyte?
a compound that will dissolve in water but NOT conduct electricity because there are no free ions
What is solubility?
How much of a solute will dissolve in a given amount of solvent factors: nature of solute / solvent, temperature, pressure (for gas in liquid)
How many grams of KCl is dissolved in 100 grams of water at 60C?
42-43 grams
What is the molarity of a solution containing 1.457 mol KCl in 1500mL?
0.9713M
What is the concentration in ppm of a solution that contains 25 grams of NaNO3 dissolved in 100 grams of water?
200000 ppm
How many grams of NH4Cl are needed to make a saturated solution at 50C in 200mL of water?
100 grams
What is a solute?
The substance that gets dissolved
What mass of KClO3 can be dissolved in 100 grams of water at 48C?
18-20 grams
How many moles are in a 1200mL 2.3M solution of KNO3?2
2.76M
How many grams of NaCl are needed to be dissolved in water to make 100 grams of a 5ppm solution?
0.0005 ppm
What is the formula for the compound combining Zinc and Chlorine?
ZnCl2