HomeworkLib
Question

If the molar mass of compound C5H4 is 128.2 g/mol, what is its molecular chemical formula?...

If the molar mass of compound C5H4 is 128.2 g/mol, what is its molecular chemical formula? Please enter all superscripts or subscripts as "regular" numbers, for example, Ca(OH)2 would be entered as Ca(OH)2

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

given formula is empirical formula

molar mass of empirical formula is C5H4

5 (12.01) + 4 (1.01) = 64.09 g/mol

just double the empirical formula

C10H8 = 2 x 64.09 = 128.18 = 128.2 g/mol

so molecular formula is C10H8

0 0
Add a comment
Know the answer?
Add Answer to:
If the molar mass of compound C5H4 is 128.2 g/mol, what is its molecular chemical formula?...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT