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Key Terms
Factors affecting solubility and dissolving
Concentration of Solutions
Solution Mix
Stoichiometry
100
another word for molar concentration
what is Molarity (M)
100
heating does not increase the solubility of this type of substance
What gases?
100
a substance with a lot of solute is said to be
What is concentrated?
100
the pollutant that causes algal blooms
what is nitrate ion
100
general 3 steps to solving a stoich problem
what is...1) find moles, 2) use mole ratio, 3) find amount in proper units
200
A homogenous mixture where particles of 2 or more substances are distributed evenly throughout each other.
What is a solution?
200
bringing the solute and solvent into more contact by doing this...
What is agitation, stirring, shaking?
200
what is the concentration of a solution containing 1.00 g of sodium chloride dissolved in 430 mL of water?
What is 3.98x10^-2 mol/L
200
the formula used when preparing solutions from a stock solution
what is c1v1=c2v2
200
what makes stoichiometry stoichiometry
What is the mole ratio
300
two substances that can mix easily with each other
What is miscible
300
the one with the lowest solubility: MgCl MgO NaI NaBr
what is MgO?
300
the concentration of fluoride ions that will benefit teeth
What is <1 ppm
300
the ion responsible for causing hard water
What is calcium ion , Ca2+
300
the mole ratio between hydroxide ions and calcium hydroxide from the equation: calcium chloride + ammonium hydroxide
What is 2:1 Ca2+(aq) + 2OH-(aq) --> Ca(OH)2 (s)
400
A solution of known concentration that will be diluted to a lower concentration.
stock solution
400
a change that can decrease the amount of carbon dioxide gas dissolved in one litre of water
what is increasing temp, decreasing pressure
400
the percent concentration (m/v) when 17.4 g of a solid is dissolved into 25.0 mL of water and the volume of the solution becomes 28.2 mL.
What is 61.7%
400
The volume required when 1.00M stock solution is diluted to a 100 mL , 0.500 M solution of slfuric acid.
What is 50.0 mL
400
the limiting reactant when 20.0 mL of 0.015 mol/L aluminum sulfate is mixed with 30.0 mL of 0.0185 mol/L calcium hydroxide
What is calcium hydroxide
500
the forces of attraction that allow RbI to be soluble in water
what are ion-dipole attractions
500
the substance that is most soluble in water O2 AgCl Mg3(PO4)2 CuS NH4CH3COO
What is NH4CH3COO
500
the mass of potassium chromate that must be dissolved in 2.00 L to prepare a 0.100 mol/L solution
What is 38.8 g K2CrO4 mm= 194.2 g/mol
500
The mass of sodium carbonate needed to make a 0.250M and 50.0 mL solution.
What is 1.32 g (Na2CO3)
500
the mass of aluminum hydroxide when 20.0 mL of 0.015 mol/L aluminum sulfate is mixed with 30.0 mL of 0.0185 mol/L calcium hydroxide
What is 0.0289 g