What number will always go in front of the unit mol when used as a conversion factor?
1
g/mol is the unit for what?
Molar mass
6.022 x 1023 Is called what?
Avogadro's Number
What is a mole?
A small rodent that lives underground.
OR
An SI unit of measurement that is equal to the molar mass of a substance or 6.022 x 1023 atoms or molecules of that same substance
Describe the process for calculating the molar mass of MgCl2 (Be specific)
What is add the masses of 1 mole of Na and 2 moles of Cl
When using conversion factors , 1 will always go in front of what unit?
mole
How many grams are in 1 mole of Sodium?
22.99g
What units will be used with 6.022 x 1023
atom or molecule
What is Avogadro's Number?
6.022 x 1023, the number of atoms or molecules in 1 mole of a substance
What is the mass of Iodine?
What is 253.8 g/mol
How many moles in 3g of Nitrogen? (Put your answer in scientific notation, 3 places pass the decimal)
2.142 x 10-1mol
How many grams are in 3 moles of Molybdenum?
287.88g
Bromine, Carbon Dioxide, Lithium
Label each as either a molecule or an atom
Bromine-molecule (It's diatomic)
Carbon Dioxide-molecule
Lithium-atom
What is a conversion factor?
A ratio that can be used to convert from one unit to another.
What is the molar mass of C2H5OH (Round to 3 decimal places)
What is 46.069 g/mol
How many moles in 2 grams of CO? (Answer must be in scientific notation. Round to 2 places pass the decimal)
7.14 x 10-2mol
How many grams are in 2.5 mol of NaCl?
146.11g
How many atoms are in a sample containing 4.000 moles of carbon. (Round to 3 places pass the decimal)
2.408 x 1024 atoms
What is dimensional analysis?
A mathematical technique that allows you to use units to solve problems involving measurements.
What units are used for the molar mass?
What is g/mol
How many feet can a mole dig in one hour?
18 feet. WOW
There is enough _________ in the average person’s body to stretch from the sun to Pluto and back — 17 times.
HINT: Dinosaurs never again :( ........
DNA
How many atoms are in a 591g sample of gold (Au)
(Round to 2 places pass the decimal and the answer must be in correct scientific notation)
1.81 x 1024atoms
Which of the animal(s) below have the ability to use tools?
Chimps, Crows, Dolphins, Sea Otters, Elephants, Octopuses, Tuskfish
All of them!!! Interesting :)
What is the molar mass of Zr3P2 (Round to 1 decimal place)
What is 335.6 g/mol