The Mole
Nature of Matter
Reactions
Solutions
Random
100
If I had 150 trillion dollars, how much money would I have in moles?
2.5 x 10-10 moles of $$
100
Write the core notation for an antimony 5+ ion.
[Kr]4d10
100
If 8.50 L of N₂ reacts with 25.5 L of H₂ at STP, what volume of NH3 will be produced?
17.0 L of NH₃
100
You are given 250.0 mL of 1.50 M HCl. How much water must be added to dilute it to 0.300 M? (sig figs matter!)
1.00 x 103 mL
100
How old is Justin Beiber?
31
200
A cell undergoes mitosis to produce two cells. Those two undergo mitosis to produce a total of four cells. How many moles of cells would there be after 55 MORE divisions?
2.4 x 10-7 moles of cells
200
What is the electron pair geometry of IO3-?
Tetrahedral
200
What volume of CO2 is produced at RTP in the combustion of 33.3 g of hexanol (C6H14O)?
46.9 L
200
You dissolve 8.50 g of calcium nitrate, Ca(NO₃)₂, in enough water to make 500.0 mL of solution.
Calculate the concentration of nitrate in the solution.
[NO3−]=0.207 M
200
What is the second song on Taylor Swift's album, Folklore?
Cardigan
300
In ALL the Harry Potter books, there are about 5,084,000 letters. The molecular formula for the ink used to print these books is C14H26N2O4S. If the amount of ink used to print each letter is about 3.48 x 10-6 grams, what is the average number of carbon atoms used to print each book?
6.69 x 1022 carbon atoms
300
How many orbitals (that contain electrons) does a rhodium 4+ ion have?
23 orbitals
300
If 25.0 g of aluminum reacts with 80.0 g of Fe₂O₃, determine how much excess reactant remains unreacted.
5.91 g Fe2O3
300
Solutions of 0.500 M BaCl₂ and 0.600 M Na₂SO₄ are mixed: 100.0 mL of each.
One of the products, barium sulfate, exists as a precipitate in a solution. What is the mass of this precipitate?
Mass of BaSO₄ precipitate = 11.7 g
300
Who was the British Prime Minister during most of World War II?
Winston Churchill
400
What movie is this?
Donnie Darko
500
What is the name of the inn where Frodo, Sam, Merry, and Pippin planned to meet Gandalf at the beginning of their journey to Rivendell?
The Prancing Pony