Question

1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide.

1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide. Calculate the empirical formula of the tin oxide. 

2. A 0.565-g sample of cobalt metal reacts with excess sulfur to give 1.027 g of cobalt sulfide. Calculate the empirical formula of the product. 

3. A 1.164-g sample of iron filings reacts with chlorine gas to give 3.384 g of iron chloride. Calculate the empirical formula of the product? 

4. A 0.626-8 sample of copper oxide was reduced to 0.500 g of copper metal by heating in a stream of hydrogen gas. Calculate the empirical formula of the copper oxide.

5. A sample of phosphorus weighing 0.500 g was ignited to the oxide in a stream of oxygen gas. What is the empirical formula of phosphorus oxide if the product has a mass of 1.145 7 What is the molecular formula of phosphorus oxide if the molar mass is approximately 285 pmol? 

6. (optional) Ethylene glycol, the main ingredient in antifreeze, contains 38.7% carbon 9.7% hydrogen, and 51.6% oxygen. Calculate the empirical and molecular formulas for ethylene glycol, given the molar mass is approximately 60 g/mol

1 0
Add a comment Improve this question
✔ Recommended Answer
Answer #1

Sign Up to Unlock the answer FREE

Already have an account? Log in

Add a comment
Know the answer?
Add Answer to:
1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide.
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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