Dual
What does molarity (M) measure?
The number of moles of solute per liter of solution
When a solution is diluted, the number of moles of solute:
Stays the same
Which of the following is a strong electrolyte?
A. Glucose (C6H12O6)
B. Acetic acid (CH3COOH)
C. Sodium chloride (NaCl)
D. Ammonia (NH3)
NaCl
Which of the following is a weak electrolyte?
A. HCl
B. NaOH
C. CH3COOH
D. KBr
CH3COOH
Who is your favorite teacher at FHS
Mrs. Key (only answer accepted)
What is Mrs. Key's favorite color?
Red
In the equation M1V1 = M2V2, which assumption is made
The number of moles of solute is constant
What is a strong electrolyte?
A substance that completely dissociates into ions in solution
What happens to a weak electrolyte when it dissolves in water.
Dissociates less than 100%
What are spectator ions?
Remain unchanged
What is the symbol for silver?
Ag
Why is learning chemistry important
various answers
When writing an ionic equation, which substances are written as ions?
Strong electrolytes (soluble ionic compounds and strong acids)
What is your favorite class at FHS?
DC Chemistry (only answer accepted)
What is the formula for Molarity?
moles/liter
A 0.5 M HCl solution contains how many moles of HCl in 2.0 L of solution?
1.0 mol
What is the precipitate in the reaction: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)?
AgCl
What type of reaction is represented by most precipitation reactions?
Double Replacement
If 2.0 moles of NaCl are dissolved in enough water to make 1.0 L of solution, what is the molarity?
2.0 M
What is the formula for calcium chloride?
CaCl2
What do you have to do to solvent to increase Molarity if you keep solute the same?
What is the symbol for potassium?
K
Which is the correct net ionic equation for NaOH(aq) and HCl(aq)?
OH- + H+ → H2O
What charge does Bromine have?
-1
Which of the following compounds is insoluble in water?
A. NaNO3
B. KCl
C. AgCl
D. NaOH
AgCl