Lesson 2 Quiz

Question 1 (4 points)

88/100

How many silver atoms are contained in 3.75 moles of silver?

Question 1 options:

1.61 × 1023 silver atoms

6.23 × 1024 silver atoms

6.50 × 1025 silver atoms

2.44 × 1026 silver atoms

2.26 × 1024 silver atoms

Question 2 (4 points)

What is the molecular mass of Br2?

Question 2 options:

159.8 amu

79.90 amu

79.90 g

159.8 g

2.65 x 10-22 amu

Question 3 (4 points)

What is the mass of 4.50 x 1022 Cu atoms?

Question 3 o...
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