The three ways that solution concentrations are expressed.
What are percentages, ppm/ppb/ppt, and molar concentrations.
100
The unit that M is commonly used for.
What is mol/L.
100
The term used to describe ions that are dissociated in water.
What is aqueous?
100
The amount of product we expect, based on stoichiometric calculations.
What is theoretical yield?
100
Should always be worn when performing a lab.
What is safety goggles
200
The reason we are able to assume that g=mL in low concentration solutions.
What is because solution is mostly water and water’s density is 1 g/mL.
200
The equation for determining C (concentration).
What is C=n/V
200
The ions of Ca3(PO4)2(aq) when dissolved in water.
What is 3Ca2+(aq) and 2PO43-(aq)?
200
A reason for not attaining 100% yield.
What is (some examples):
Not all product is recovered (e.g. spattering)
Reactant impurities (e.g. weigh out 100 g of chemical which has 20 g of junk)
A side reaction occurs (e.g. MgO vs. Mg3N2)
The reaction does not go to completion
200
An evolutionary phrase that causes Mr. Kachi's blood solubility to increase for ionic compounds.
What is "Survival of the Fittest"
300
The % W/W of copper in an alloy when 15 g of Cu is mixed with 250 g of Zn?
What is 5.7%
300
The number of moles of Fe(OH)3 that are produced when 85.0 L of iron(III) sulfate at a concentration of 0.600 mol/L reacts with excess NaOH.
What is 102 mol?
300
The three types of chemical equations.
What is molecular, total ionic, and net ionic?
300
The theoretical yield of oxygen if 5.00g of KClO3 is decomposed in the following reaction:
2KClO3 --> 2KCl + 3O2
What is 1.96g of oxygen
300
The number that is also known as the "mole".
What is 6.02x10^23?
400
The number of grams of NaCl that are required to make 7.5 L of a 0.10 M solution.
What is 44g?
400
The mass of precipitate that will be produced from the reaction of 50.0 mL of 2.50 mol/L sodium hydroxide with an excess of zinc chloride solution.
What is 6.21g?
400
The total ionic equation for the following equation if no reaction occurred:
AB(aq) + CD(aq) --> AD(aq) + CB(aq)
What is
A+(aq)+B-(aq)+C+(aq)+D-(aq)-->A+(aq)+D-(aq)+C+(aq)+ B-(aq)
400
The % yield when 107 g of oxygen is produced by heating 300 grams of potassium chlorate. 2KClO3 --> 2KCI + 3O2
What is 91.1%.
400
The object whose orbit is moving away from Earth at 3.8cm per year.
What is the Moon.
500
The molar concentration of the final, diluted solution when 0.200L of 2.40mol/L NH3(aq) cleaning solution has water added until the final volume is 1.00L.
What is 0.480mol/L.
500
The volume of 0.0250 mol/L calcium hydroxide solution that can be completely reacted with 25.0 mL of 0.125 mol/L aluminum sulfate solution.
Al2(SO4)3(aq)+3Ca(OH)2(aq)-->2Al(OH)3(s)+3CaSO4(s)
What is 0.375g?
500
The net ionic equation for:
CuSO4(aq) + BaCl2(aq) --> CuCl2(aq) + BaSO4(s)
What is SO42–(aq) + Ba2+(aq) --> BaSO4(s)
500
The % yield of H2O if 58 g H2O are produced by combining 60 g O2 and 7.0 g H2.
2H2 + O2 --> 2H2O
What is 93%?
500
The requirements of the ion added in the first step of a sequential qualitative analysis when trying to determine the presence of 2 ions in a solution.
What is an ion that will precipitate only one of the two unknown ions.