Question

i have 2 questions first is

1). Convert 3.25x10^5 grams pb into moles.

2). convert 31 mo AI into AI

Answer 1

A)Mass= 3.25×10$^5$

Molar mass= 207

Mole=mass/molar mass

Mole= 3.25×10^5/207

Mole= 0.015×10$^5$

B) not readable