Multiple Choice
Platinum has a molar mass of 195 g/mol.If you have a ring that contains 2.3 g of platinum, how many moles does it contain?
A) 0.012 mol
B) 85 mol
C) 450 mol
D) 7.2 x 1021 mol
E) 1.4 x 1024 mol
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q52: The specific heat at constant volume of
Q53: The ratio of the specific heat of
Q54: Monatomic, diatomic, and polyatomic ideal gases each
Q55: Evidence that a gas consists mostly of
Q56: The mean free path of a gas
Q58: Oxygen has a molar mass of 32
Q59: The root-mean-square speed of molecules in a
Q60: Two ideal gases, each consisting of N
Q61: The average speeds v and molecular diameters
Q62: Three gases, one consisting of monatomic molecules,