Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A 136.6 mg sample of a crushed Vitamin C tablet was dissolved in 40 mL of H2SO4 and 20 mL of water. 2 grams of KI and 25.00 mL of 0.0155 M KIO3 solution was added, and the mixture was titrated to a starch endpoint. The titration required 20.34 mL of 0.0491 M thiosulfate solution.Calculate the weight percent of ascorbic acid in a tablet of Vitamin C.
1.list all the strong aqueous acids. what is the difference between a strong acid and a weak acid? how do the
How many moles of NiCl can be formed in the reaction of 5.00 mol of Ni and 10.0 mol of HCl
Suppose you were instructed to add 38 g of sodium chloride (NaCl) to 100 mL of water. a. prepared as instructed at 20°C b. heated the mixture in (a) to 100°C. Describe what you would observe under the following conditions.
If the initial pressure of iodoethane is 894 torr at 245°C, what is the pressure of iodoethane after three half-lives?
Rank the compounds in each of the following groups in order of decreasing rate of solvolysis in aqueous acetone. C6H11BR, C6H11Cl and C7H13Cl (the last is tertiary, the others are secondary).
The lowering of vapor pressure is expressed as Raoult's law. An ideal solution obeys Raoult's law. Discuss the reasons why real solutions differ from Raoult's law.
Consider a solution containing 3.70 mM of an analyte, X, and 1.99 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3979 and 10035, respectively.
Calculate the molarity of a solution made by adding 23.9 mL of concentrated potassium hydroxide (34.5 % by mass, density 1.46 g/mL) to some water in a volumetric flask
a 1.00-l gas sample at 100.degc and 589 torr contains 50.0 helium and 50.0 xenon by mass. what are the partial
A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.15 M Na OH. What is the pH of the solution after 30.0 mL of NaOH have been added to the acid
The calculations are based on the principal components of meat being fat ( acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet ).information, the calculations correctly calculate what quantity, % fat or % fat-free meat..
Write a structural and a line-angle formula of propene (C3H6). Write the IUPAC name. On the structure, specify a shape of each carbon
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd