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100.0 mL solution that was made by adding 10.26 grams of sucrose (C12H22O11) to 95.0 mL of pure water (density of pure water is 1.00g/mL). What is the molality of the sucrose solution?
A 1.05×10-3 solution of quinine, a drug used in treating malaria, has a of 9.75. What are the values of Kb and pKb
A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if the expansion occurs against a constant pressure of 5.00 atm.
The ideal gas law relates the pressure P, volume V, absolute temperature T, and amount of gas n. The law is P = nRT/V where R is the gas constant.
In the Lewis structure of HOCH2CH2OH, how many valence electrons need to be shown and how many pairs of electrons are bonding and how many are non-bonding
Which of the following statements is correct with regard to the following two solutions? (Note: Use the ideal values of the van't Hoff factor.) (I) 0.70 m LiBr and (II) 0.24 m CaBr2
Calculate the heat energy released when 13.3 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm
If 10.00 mL of 0.050M KI solution is mixed with 40.00 mL of other reagents what would be diluted concentration of KI
an osmotic pressure of 7.84 atm is produced bynbsp an isotonic solution measured against pure water at human body
Determine the volume, in mL, of 2.00 M HC2H3O2 required to prepare each of the following solutions: 0.20 M acetic acid, and 0.020 M acetic acid.
A student prepares benzoic acid by hydrolyzing 6.47g of methyl benzoate (FW 136.15 g/mol) using excess sodium hydroxide. If the student recovers 3.71g of benzoic acid
Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones. The reaction involves the transfer of an aromatic hydrocarbon with an acyl chloride in the presence of a lewis acid
determine the theoretical yield and the percent yield of ethanol if 684 g of sucrose undergoes fermentation and 349 g of ethanol is obtained
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