Stoichiometry
Acids and Bases
Yields
Solutions
Miscellaneous
100
What is the mole to mole ratio of carbon to iron in this reaction?
3:4
100
This compound generally starts with an H in its formula
What is an acid?
100
The amount calculated in a stoichiometry problem is this type of yield
That is theoretical?
100
The substance being dissolved in a solution.
What is a solute?
100
This is the color phth is with a base.
What is magenta?
200
If you had 4.5 mol of Fe2O3, how many moles of CO2 could you produce?
6.75 Moles
200
Though mostly containing OH, this group also can contain a NH3 or CO32-
WHat are bases?
200
The amount of a product actually produced in the laboratory is this type of yield.
What is actual?
200
The substance doing the dissolving a solution.
What is the solvent?
200
That is the v/v% of a solution made with 50.0 mL of alcohol mixed with 150.mL of water to a total volume of 197mL. Answer to 3 sig figs and show work.
(50.0/ 197) x 100= 25.4%
300
If you had 3.5 moles of iron, how many g of carbon were used for the reaction?
31.5 g
300
This indicator is red-orange with acids, blue-purple with bases, and green-yellow with water
What is universal indicator
300
This is how to calculate 5 yield
What is actual yield divided by theoretical yield times 100?
300
36g of NaCl are dissolved to make 450g of a solution. This is mass of the solvent.
What is 414g?
300
This is the balance neutralization between LiOH and HF.
LiOH + HF --> HOH (H2O) + LiF
400
given that the molar mass of CO2 is 44g/mole and the MM of Fe2O3 is 160g/mol, if 37g of Fe2O3 is used, how many grams of CO2 can be produced?
15.3g
400
This is the pH for water
What is 7?
400
16 g of H2 is mixed with excess O2. This is the theoretical yield of water.
What is 140 (will take 144)g
400
67g of NaCl is dissolved into a solution with a final volume of 350.mL. This is the molarity.
What is 3.3 (3.27) M
400
This is why we use di water in making solutions
Tap water has chemicals in it that can cause reactions
500
Given that Fe2O3 MM= 160 and CO2 MM= 44
What is the theoretical yield of Fe if 37g of C reacts with excess Fe2O3?
230g
500
Mixing an acid and a base always creates these 2 products?
What are water and an ionic salt?
500
37 g of water was predicted from a calculation, but a chemist only produced 17g in the lab, this is the percent yield.
What is 46%?
500
This is the piece of glass wear required for making proper solutions.
What is a volumetric flask?