Mole-Particle Conversions
How many moles of magnesium is 3.01 x 1022 atoms of magnesium?
0.0514
How many moles in 28 grams of CO2?
.636
Determine the volume, in liters, occupied by 0.030 moles of a gas at STP.
.672
You have 23 moles of Tantalum (Ta). How many grams is this?
4160.7
How many grams of oxygen are needed to completely react with 15.5g of H2O?
H2 + O2 --> H2O
13.8
How many molecules are there in 4.00 moles of glucose, C6H12O6?
2.408*1024
What is the mass of 5 moles of Fe2O3 ?
798.4
How many moles of argon atoms are present in 11.2 L of argon gas at STP?
.5
You discover that the head of a match contains 1.6 grams of Sulfur, S. How many atoms of S does a match contain?
3.0*1022
How many grams of NH3 are produced when 8.1g of H2 react?
N2 + H2 --> NH3
45.9g
How many moles are 1.20 x 1025 atoms of phosphorous?
19.934
Find the number of moles of argon in 452 g of argon.
11.3
What is the volume of 0.05 mol of neon gas at STP?
1.12
While cleaning a cut, you spill a bottle of Iodine. The label says that the bottle holds 500 grams of I2. How many moles of I2 are there?
1.968
C + O2 --> CO2
If 5L of CO2 are produced, how many grams of carbon were used?
2.68
How many atoms are in 0.750 moles of zinc?
4.515*1023
How many moles are in 13.8g of NaCl
.236
What is the volume of 50 mol of C12H5O3
1120
Your silver watchband has a mass of 326 g. How many moles of Ag do you have?
3.02
2AgNO3 + BaCl2 --> 2AgCl + Ba(NO3)2
How many grams of AgCl are produced from 5g of AgNO3?
4.2
How many molecules are in 0.400 moles of N2O5?
2.408*1023
Find the mass of 1.26 x 10-4 mol of HC2H3O2
.0075
85L of gas has how many molecules?
3.79
While dropping off your recycling, you are overcome by the urge to weigh the tin cans you brought in. You find that the mass of cans in the box you brought had a mass of 23 kg. How many moles do you have?
480.568
SPEED ROUND:
First team to find the molar mass wins 500 points.
C14H18N2O5
294.4 g/mol