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What is the formula for Molarity (M)?
Molarity (M) = Moles of solute / Liters of solution.
How many moles of NaOH are in 1.5 liters of a 2 M solution?
3 moles.
What is the molarity of a solution prepared by dissolving 2.4 grams of NaOH in 250 mL of solution?
0.24 M.
Calculate the molarity of a CaCl2 solution made by dissolving 11.5 g in 0.500 L of water.
0.207 M.
How is a solution prepared by dilution calculated?
Using the formula M1V1 = M2V2.
What volume of concentrated 12.0 M HCl is needed to prepare a 250 mL 6.00 M solution?
125 mL.
What type of reaction is represented by AB + CD → AD + CB?
Double Replacement reaction.
What is an example of a combustion reaction?
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g).
What is the net ionic equation for Ag+ + Cl− → AgCl?
Ag+ Cl− → AgCl (s).
How do you identify spectator ions in a reaction?
Spectator ions are ions that do not take part in the reaction.
What is the solubility of nitrate ions (NO3-) in water?
Nitrate ions are soluble in water.
If NaCl and AgNO3 react, what are the products?
NaNO3 (aq) and AgCl (s).
What is the mass of Ca(NO3)2 needed to prepare 0.125 L of a 0.625 M solution?
12.8 g.
How many grams of KHP are needed to make a 0.2500 L solution of 0.1168 M?
5.9614 g KHP.
Identify the classifications of chemical reactions.
Double Replacement, Single Replacement, Combination, Decomposition, and Combustion.
What is the phase of AgCl when formed in a reaction?
Solid (s).
What is the dilution formula for solutions?
M1V1 = M2V2, where M is molarity and V is volume.
What is the molarity of a solution made by dissolving 5 grams of NaCl in 200 mL of water?
0.427 M.
How do you convert grams of a solute to moles?
Moles = grams / molar mass.
How is a saturated solution defined?
A solution that has dissolved the maximum amount of solute at a given temperature.
What is an example of a single replacement reaction?
Zinc + Copper sulfate → Zinc sulfate + Copper.
What are products of the reaction between hydrochloric acid and sodium bicarbonate?
Sodium chloride, carbon dioxide, and water.
What type of compound is formed when an acid reacts with a base?
A salt and water.
What is the pH of a neutral solution at 25°C?
pH 7.
What does it mean for a solution to be concentrated?
It contains a large amount of solute relative to the solvent.
What ions are present in a buffered solution?
Weak acid and its conjugate base or weak base and its conjugate acid.
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