Explain how many ml of boiling water

Assignment Help Chemistry

Reference no: EM13487528

The solubility of caffeine in water is 2.2mg/mL at 25 degrees celsius and 670 mg/mL at 100 degrees celsius. How many mL of boiling water would it take to dissolve 23g of caffeine? If the solution was cooled to 25 degrees celsius, how many grams of caffeine would recrystallize out?

Reference no: EM13487528

Questions Cloud

Explain what is the boiling point and freezing point : What is the boiling point and freezing point of a 3.12 m solution of naphthalene in benzene. the boiling point and freezing point of benzene are 80.1 degree C and 5.5 degree C respectively: Kb = 2.53 degree C/m; Kf = 5.12 degree C/m

Compute equivalent units of production for materials : Compute equivalent units of production for materials and for conversion costs and determine the unit costs of production and show the assignment of costs to units transferred out and in process.

Total manufacturing costs assigned to jobs : Compute the predetermined overhead rate for each department and dompute the total manufacturing costs assigned to jobs in January in each department.

What is the magnitude of their vector sum : Three vectors have the same magnitude of 12 units. They make angles of ?, 2 times ? and 3 times ? with respect to the x axis, where ? = 16 o. What is the magnitude of their vector sum

Explain how many ml of boiling water : The solubility of caffeine in water is 2.2mg/mL at 25 degrees celsius and 670 mg/mL at 100 degrees celsius. How many mL of boiling water would it take to dissolve 23g of caffeine

Compare the physical units of production : Compare the physical units of production Compute equivalent units of production for materials and for conversion costs.

Write about ebays international activity in world wide : Write for me 4 pages. the first two pages should talk about the background of ebay (in general). And the other 2 pages Write about ebays international activity in world wide.

What is the final velocity of the very light object : A very massive object -almost innitely massive - moving with velocity v1 = 100m/s hits a very light object - "massless" - at rest. What is the final velocity of the very light object

A bromination of cis-stilbene which produces two enantiomers : With regards to a bromination of cis-stilbene which produces two enantiomers (S, S and R, R), what can be done experimentally to confirm that the predicted products were obtained

User Account

All Pages