Answer to Question #205454 in General Chemistry for Alaa

Question #205454

The molar mass of platinum is 195 g/mol. NA = 6.02 x 1023 units/mol

a- Find the number of moles present in 3.2 g of a platinum sample.

b- What is the mass of 2.75 x 10 24 atoms of platinum?


1
Expert's answer
2021-06-11T01:58:09-0400

Solution


a.) No of moles=

3.2g of platinum

=0.0164 moles

b.)

2.75 atoms

=4.568 moles of platinum

Mass=

=890.7g of platinum



Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

Ask Your question

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS