Part of the Solution
Part of the Precipitate
G & F
%
Anything Goes!
100
In a salt water solution, the salt is considered to be this.
What is the solute?
100
A term used for an insoluble compound.
What is a precipitate?
100
States if Na2CO3 is soluble or insoluble in water.
What is soluble?
100
Where you find the equation for percent composition.
(Must point at the exact location on the Reference Tables)
What is Table T, 4th equation from top to bottom?
100
The empirical formula for H2O.
What is H2O?
200
The type of temperature that will increase the solubility of tea (a solid) in water.
What is high temperature?
200
Describes a compound that dissolves in water.
What is soluble?
200
CuCl2(aq)+2AgNO3(aq)→Cu(NO3)2( )+2AgCl( )
Letter(s) that should appear in the parentheses after the AgCl.
What is (s)?
200
The gram formula mass (molar mass) of NH4OH. Show a correct numerical setup on the board.
What is 35 g/mol?
N = 14 x 1
H = 1 x 5
O = 16 x 1
Total = 35
200
The empirical formula for glucose, C6H12O6.
What is CH2O?
300
The conditions of temperature and pressure that will increase the solubility of CO2(g) in a soda.
What is high pressure and low temperature?
300
What appears in the parentheses to indicate the compound is dissolved in water, making a solution.
What is (aq)?
300
The amount of KCl needed to saturate 50 grams of water at 60°C.
What is 22.5 g?
(21 g - 24 g)
300
The percent composition by mass of nitrogen in NH4OH. Show a correct numerical setup on the board.
What is 40%?
14/35 x 100
300
A balanced equation showing the decomposition of water;
___ H2O(l) --> ___H2(g) + O2(g)
What is
2 H2O(l) --> 2 H2(g) + O2(g)
400
The amount of water used for the solutions shown in table G.
What is 100.g of water?
400
One ion that is always soluble, never part of a precipitate.
What is a group 1 ion, ammonium, nitrate, ...?
(Refer to table F)
400
One hundred grams of water is saturated with NH4Cl at 50oC. If the temperature is lowered to 10oC, this would be the amount of NH4Cl that would precipitate.
What is 17 g?
400
The percent composition by mass of water in CaCl2•2H2O. Show all work on the board.
What is 24%?
36 / 147 x 100
400
The amount of moles in 200.0 grams of glucose, C6H12O6.
(round to two decimal places)
What is 1.11 moles?
200.0 g / 180 g/mol = 1.11 moles
(formula in table T)
500
A heterogeneous mixture, having a solute dissolved in a solvent.
What is a solution?
500
The type of reaction that mixes two solutions, where ions "switch partners", sometimes resulting in a precipitation.
What is a double replacement?
500
An unsaturated aqueous solution of NH3 is at 90.oC in 100. grams of water. This is the amount of grams of NH3 that this unsaturated solution could contain.
What is any amount under 10 grams?
500
The percent composition by mass of water in KAl(SO4)2•12H2O. Show all work.
What is 45.6%?
216/474 x 100
500
The molecular formula of a compound that has a molecular mass of 56 and the empirical formula CH2. Show your work on the board.
What is C4H8?
56/14 = 4