Calculate the molar mass
A solution that contains 55.0 g ascorbic acid (vitamin C) in 250 g of water freezes at - 2.34 oC. Calculate the molar mass (g/mol) of the solute.
Kf (water) = 1.86 oC/m
a. 1.26b. 10.9c. 43.6d. 175e. 277
Please show all your work
Now Priced at $5 (50% Discount)
Recommended (93%)
Rated (4.5/5)
Question: The compound is packaged as a 10% solution (density 1.0 g/mol) in water. If your dentist injects 0.50 mL of the solution, what mass of procaine hydrochloride (in mg) is injected.
Suppose that 1.10 mg of gold is obtained in a colloidal dispersion in which the gold particles are spherical, with a radius of 1.00 * 10^2 nm. (The density of gold is 19.3 g/cm^3.) What is the total surface area of the particles?
The equipment that would be used has a 3-year tax life, would be depreciated on a straight line basis over the project's 3-year life, would have zero salvage value, and would require some new working capital that would be recovered at the end of t
Question: A mixture of 8.7 g CH4, 3.6 g helium, and 6.3 g nitrogen is placed in a container and the total pressure is found to be 0.48 atm. Find the partial pressure of helium.
Collier Corporation has income before income taxes of $532,000 in 2011. The current provision for income taxes is $105,000 and the provision for deferred income taxes is $82,500. Collier's net income for 2011 is?
A 0.0100 m solution is found to freeze at -0.040°C. Calculate the apparent percent dissociation of X2Y. Kf for water = 1.86°C/m.
Calculate the freezing point of a solution made from 22.0 g of octane (C8H18) dissolved in 148.0.g of benzene. Benzene freezes at 5.50 oC and its Kf value is 5.12 oC/m
Write balanced equations for the reactions of calcium metal with each of the following elements. A. H2 B. O2 C. S8 D. F2. E. N2 F. P4. You can answer only one, however, please give a step by step explanation of what you are doing.
1951761
Questions Asked
3,689
Active Tutors
1416862
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What should you put on before taking BP? For TB? What precaution? What you might need and how often?
A nurse is explaining to a colleague that HIV is a retrovirus. Which enzyme is unique to HIV and thus serves as a target for treatment?
1. Describe the pathophysiology of fever and inflammation. 2. Why is aspirin administered for fever?
The nurse reviews the medical records of four female patients and identifies that which patient is at increased risk for metabolic syndrome?
Neil sustained a severe TBI at 21 years of age while he was serving as an active-duty Operation Iraqi Freedom combat soldier.
Which action does the nurse take when providing postoperative care for a bariatric surgery patient who experiences difficulty breathing
Sally (who is 5 weeks pregnant) and Norma (who is 5 months pregnant) both work in a plant that produces toxic chemicals. One day there is an accident