
Molar Mass and moles to grams conversions

Quiz
•
Chemistry
•
•
Hard
Sophie Michiels
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements regarding the mole is INCORRECT?
A mole is a unit of quantity equal to 6.02 x 1023 particles.
The number of particles in a mole is known as Avogadro’s number.
A mole of particles of an element is numerically equal to the atomic mass of the element.
none of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The mass of one mole of an element is equal to
its atomic number from the periodic table, but in amus.
its atomic mass from the periodic table, but in amus.
its atomic mass from the periodic table, but in grams.
its atomic number from the periodic table, but in grams.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molar mass of PbSO4?
303.27 g/mol
255.27 g/mol
163.87 g/mol
372.27 g/mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Shivani measures out 6.0 moles of epsom salt (MgSO4) to put in her bath. How many grams of MgSO4 went in the bath?
3.6 x 1024 g
720 g
0.050 g
340 g
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine the mass of 4.20 moles of C6H12
353 g
0.0499 g
337 g
2.53 x 1024 g
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many grams are in 1.2 moles of neon?
0.059 grams
7.2 x 1023 grams
2.0 x 10-24 grams
24 grams
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many moles are in 98.3 grams of aluminum hydroxide, Al(OH)3?
1.26 moles
0.8 moles
7,670 moles
1.63 x 10-22 moles
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the molar mass of table salt (NaCl)? Read all options! Be careful!
58.44 amu
35.45 g/mol
22.99 g/mol
58.44 g/mol
9.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
To melt the ice, Juan throws 455 g of calcium chloride, CaCl2 on his sidewalk. How many moles of CaCl2 did he throw?
50,500 moles
4.10 moles
7.56 x 10-22 moles
111 moles
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