[Answered] Calculate the mass, in g, of 1.9 1024 atoms of Pb. A) 3.9 102 g B) 2.4 102 g C) 3.2 102 g ...

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Author Question: Calculate the mass, in g, of 1.9 1024 atoms of Pb. A) 3.9 102 g B) 2.4 102 g C) 3.2 102 g ... (Read 77 times)

bcretired

Hero Member
Posts: 525

on: Aug 27, 2018

Calculate the mass, in g, of 1.9 1024 atoms of Pb.

A) 3.9 102 g
B) 2.4 102 g
C) 3.2 102 g
D) 1.5 102 g
E) 6.5 102 g

Question 2

A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.41 atm. What is the identity of the halogen?

A) Br2
B) F2
C) Cl2
D) I2
E) Ge

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Edwyer

Sr. Member
Posts: 337

Reply #1 on: Aug 27, 2018

Answer to Question 1

E

Answer to Question 2

C

bcretired

Hero Member
Posts: 525

Reply #2 on: Aug 27, 2018

Thank you!

Edwyer

Sr. Member
Posts: 337

Reply #3 on: Aug 27, 2018

Always glad to help...

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