HomeworkLib
Question

1. An organic molecule is 40.9% C, 4.6% H, and the rest O . A) what...

1. An organic molecule is 40.9% C, 4.6% H, and the rest O .
A) what is the empirical formula?
B) if the molar mass is 88.07 g/mol, what is the molecular formula?

2. The density of a 20.0% by mass aqueous solution of ethylene glycol (C2H6O2) is 1.03 g/mL.

A) If you had 100g of the solution, how many grams of ethylene glycol would you have?

B) How many moles of ethylene glycol would you have?

C)How many liters of solution?

D)Determine the molarity of ethylene glycol.

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

Homework Answers

Answer #1

Note1) In part molarity comes 3.316510 which is rounded to two decimal places.

2) Feel free to comment if any further doubts.

0 0
Add a comment
Know the answer?
Add Answer to:
1. An organic molecule is 40.9% C, 4.6% H, and the rest O . A) what...
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

  • Part A. A 3.343 gram sample of an organic compound containing C, H and O is...

    Part A. A 3.343 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 5.959 grams of CO2 and 2.440 grams of H2O are produced. In a separate experiment, the molar mass is found to be 74.08 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Part B.When 2.768 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 9.357 grams of CO2 and 1.916 grams of...

  • 1) An aqueous solution containing 15.9 g of an unknown molecular (nonelectrolyte) compound in 103.0 g...

    1) An aqueous solution containing 15.9 g of an unknown molecular (nonelectrolyte) compound in 103.0 g of water was found to have a freezing point of -1.5 ∘C. Calculate the molar mass of the unknown compound. b) Determine the required concentration (in percent by mass) for an aqueous ethylene glycol (C2H6O2) solution to have a boiling point of 109.3 ∘C. c) What mass of salt (NaCl) should you add to 1.90 L of water in an ice cream maker to...

  • A 15.07 gram sample of an organic compound containing C, H and O is analyzed by...

    A 15.07 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 14.73 grams of CO2 and 3.017 grams of H2O are produced. In a separate experiment, the molar mass is found to be 90.04 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Furnace H2O absorber CO2 absorber Sample A 15.07 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and...

  • Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if...

    Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if you have 7 moles of the molecule? Consider the following generic balanced reaction equation: 5A + 3B 22C If 3.3 moles of A react completely, how many moles of C will be produced? How many grams are the in 40 moles of a compound with a molar mass of 58.2 grams per mole (g/mol)? How many moles are in 176.4 grams of a compound...

  • A 11.76 gram sample of an organic compound containing only C, H, and O is analyzed...

    A 11.76 gram sample of an organic compound containing only C, H, and O is analyzed by combustion analysis and 20.95 g CO2 and 8.579 g H2O are produced. In a separate experiment, the molar mass is found to be 74.08 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =

  • 24) In 116.9 g of NaCl, how many particles (or ‘formula units’) of NaCl are present?...

    24) In 116.9 g of NaCl, how many particles (or ‘formula units’) of NaCl are present? A: 25) What is the empirical formula for a compound that consists of 0.676 g of Iron and 0.773 g of Sulfur? A: 26) What is the molecular formula for ethylene glycol (antifreeze)? The empirical formula is CH3O and the molar mass is 62.07 g/mol. A:

  • A 5.088 gram sample of an organic compound containing C, H and O is analyzed by...

    A 5.088 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 10.17 grams of CO2 and 4.163 grams of H2O are produced. In a separate experiment, the molar mass is found to be 88.11 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =

  • A 4.015 gram sample of an organic compound containing C, H and O is analyzed by...

    A 4.015 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 5.985 grams of CO2 and 1.838 grams of H2O are produced. In a separate experiment, the molar mass is found to be 118.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =

  • A 4.626 gram sample of an organic compound containing C, H and O is analyzed by...

    A 4.626 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 9.968 grams of CO2 and 4.082 grams of H2O are produced. In a separate experiment, the molar mass is found to be 102.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = ____ molecular formula = _____

  • A 8.794 gram sample of an organic compound containing C, H and O is analyzed by...

    A 8.794 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 14.65 grams of CO2 and 4.798 grams of H2O are produced. In a separate experiment, the molar mass is found to be 132.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =

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