Question

consider a 0.3L aqueous solution contains 2.6g of caffeine. the solubility of caffeine in water is...

consider a 0.3L aqueous solution contains 2.6g of caffeine. the solubility of caffeine in water is 2.2g/100ml and the solubility in methylene chloride is 10.2g/100ml. a) How much caffeine can be extracted with 70ml of methylene chloride? b) How much caffeine will be extracted if the aqueous solution is extracted twice with 30ml of Methylene chloride c) Which is more effective, a or b?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
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
Similar Questions
5. Consider a 0.3 L aqueous solution that contains 2.6 g of caffeine. The solubility of...
5. Consider a 0.3 L aqueous solution that contains 2.6 g of caffeine. The solubility of caffeine in water is 2.2 g/100 mL and the solubility in methylene chloride is 10.2 g/100 mL. a) How much caffeine can be extracted with 70 mL of methylene chloride? b) How much caffeine will be extracted if the aqueous solution is extracted twice with 30 mL of methylene chloride? c) Which is more effective a or b?
The distribution coefficient for caffeine in dichloromethane and water is 4.6 a. Assume that 0.100 g...
The distribution coefficient for caffeine in dichloromethane and water is 4.6 a. Assume that 0.100 g of caffeine are dissolved in 15 mL of water. The aqueous layer is extracted twice with 15 mL of dichloromethane. How much caffeine may be recovered from this extraction? b. Would the previous extraction be more efficient if the aqueous solution of caffeine (0.100 g dissolved in 15 mL of water) was extracted once with 30 mL of dichloromethane instead? Please provide step by...
Assume that the solubility of caffeine in water is 4.0 g/100 mL and in methylene chloride...
Assume that the solubility of caffeine in water is 4.0 g/100 mL and in methylene chloride it is 16.0 g/100 mL at 25°C. What is KD for this system?
KD = (Solubility in organic solution (g/mL))/(Solubility in aqueous solution (g/mL) ) , and KD for...
KD = (Solubility in organic solution (g/mL))/(Solubility in aqueous solution (g/mL) ) , and KD for caffeine in a water/dichloromethane system is 7.8. If 5.0 g of caffeine is dissolved in 100 mL of water, how many extractions using 50 mL of dichloromethane are required to recover 95% of the caffeine from the water?
The KD of coffee water at 25 °C is 7.8 in a methylene chloride/water system. If...
The KD of coffee water at 25 °C is 7.8 in a methylene chloride/water system. If there is 2.0g of caffeine in 200ml of water, calculate the grams and the % of caffeine that can be extracted with a single 100 mL portion of methylene chloride. Please show all work with relevant formulas. Thank you!
.102 g pure caffeine is added to .1 mL methylene chloride and .1 mL water, shaken...
.102 g pure caffeine is added to .1 mL methylene chloride and .1 mL water, shaken and allowed to separate. the water is removed and the remaining liquid is mixed with sodium sulfate. This is dry filtered with an additional .5 mL water into a flask. The remaining liquid is heated, leaving the solid behind. What is the caffeine's theoretical yield? Density of CH2Cl2 is 1.3255. Also, I started by finding by the KD = solubility in organic solvent (g/100mL)...
A.) If 19.8 grams of an aqueous solution of cobalt(II) sulfate, CoSO4, contains 2.00 grams of...
A.) If 19.8 grams of an aqueous solution of cobalt(II) sulfate, CoSO4, contains 2.00 grams of cobalt(II) sulfate, what is the percentage by mass of cobalt(II) sulfate in the solution? B.) An aqueous solution of aluminum chloride, AlCl3, contains 3.57 grams of aluminum chloride and 17.5 grams of water. The percentage by mass of aluminum chloride in the solution is
If Drink A contains 48% Caffeine and Drink B contains 62% Caffeine. How much of each...
If Drink A contains 48% Caffeine and Drink B contains 62% Caffeine. How much of each solution should be mixed in order to create 35 milliliters of a solution that contains 58% Caffeine?
Which of the following ionic salts will not increase the solubility in acidic aqueous solution relative...
Which of the following ionic salts will not increase the solubility in acidic aqueous solution relative to its solubility in pure water? (a) NaF; (b) LiCl; (c) Ca(ClO4)2; (d) NH4CH3COO; (e) KNO2; (f) Cu(NO3)2
A solute has a solubility of 32.9g in 100.0g of water. If 56.0g of solution contains...
A solute has a solubility of 32.9g in 100.0g of water. If 56.0g of solution contains 10.0g of solute is the solution saturated, unsaturated, or supersaturated? unsaturated saturated supersaturated
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT