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The volume of a sample of pure HCl gas was 121 ml at 27 celsius and 167 mmHg. It was completely dissolved in about 50 ml of water and titrated with an NaOH solution; 24.3ml of the NaOH solution was required to neutralize the HCL. Calculate the molarity of the NaOH solution.
Draw the Fischer projection formula for 2R,4R-pentanediol. State how many stereoisomer of this compound. Also draw any two stereoisomers of 2R,4R-pentanediol, label the configurations of their steroecenters and indicate their relationship to 2R,4R..
A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.59. What was the concentration of the solution.
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
How many lone pairs of electrons are there in a molecule of crotononitrile?
Which of the following set of quantum numbers (ordered n,l,ml,ms) are possible for an electron in an atom
Amyl alcohol can burn in oxygen to produce carbon dioxide and water. If amyl alcohol is C5H11OH and oxygen a diatomic gas O2, write and balance the combustion equation and answer the following
A 20.0-mL sample of this glucose solution was diluted to 0.500 L . How many grams of glucose are in 100. of the final solution
How rapidly would each of the following particles be moving if they all had the same wavelength as a photon of red light (wavelength = 750 nm)
How many litres of NO are produced at STP when 162 g Ag reacts with excess HNO3
2 ml of heptane plu 2 ml of alpha pinene give 4 ml of solution. howmany grams per ml are in that mixture? suppose you
Is it possible for a salt of formula AB3 to have a face-centered cubic unit cell of anions with cations in all the eight available holes. Explain.
a 1L flask contained 2g N2, 0.4g H2 and 9g O2 at 27c. what is the total pressure in the flask?
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