Acids + Bases
A solution with a pH of 9 is a(n)....
Base
Which of the following has the highest concentration:
1.0 M
0.5 M
0.1 M
1.0 M
Which side of the equation are the products of a reaction on?
Right side
What is avogadros number?
6.022x10^-23
What is the name for CaS?
Calcium Sulfide
What is the pH of a neutral solution?
7
What is the equation for molarity?
M = n/L
Which type of chemical reaction combines two molecules into one molecule?
Synthesis
How many grams are in 1 mole of arsenic?
74.922 grams per mole
What is the chemical formula for Carbonate?
CO3 -2
What are the products of a neutralization reaction?
Salt and Water
What does molarity measure?
Concentration
What are ALWAYS the products of a combustion reaction?
CO2 and H2O
How many grams are in 3.9 moles of NaCl?
228 grams
What is the chemistry definition of a salt?
An ionic compound/any compound consisting of a metal and a nonmetal
Can water ever act as an acid?
Yes, in the bronsted/lowry definition water can act as an acid if it donates a hydrogen ion.
What is the unit for molarity?
M (Molar)
Is this equation balanced?
6CO2 + 5H2O --> C6H12O6 + 6O2
No, should be 6H2O
How much does glucose (C6H12O6) weigh?
180
What is the chemical formula for Iron (III) Oxide?
Fe2O3
What is the difference between a strong acid and a weak acid?
how much percentage they dissolve in water
What is the molarity of a solution made by dissolving 10 grams of NaCl into 0.25 L of water?
0.684 M
What is the balanced chemical equation:
H2 + O2 --> H2O
2H2 + O2 --> 2H2O
How many moles are in 23.5 grams of H2O?
1.3 moles
How many electrons does H+ have?
zero