Molar Mass and moles to grams conversions

Molar Mass and moles to grams conversions

9 Qs

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Molar Mass and moles to grams conversions

Molar Mass and moles to grams conversions

Assessment

Quiz

Chemistry

Hard

Created by

Sophie Michiels

Used 1+ times

FREE Resource

9 questions

Show all answers

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

Media Image

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

Media Image

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