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Question: A patient receives 200mL of a 3.0% (m/v) amino acid solution twice a day. Express answer in 2 significant figures.
Part A: How many grams of amino acids are in 200mL of solution?
Part B: How many grams of amino acids does the patient receive in 1 day?
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
If this energy were used to vaporize water at 100 C , how many grams of water could be vaporized. The heat of vaporization of water at 100 C is 40.7 kJ/mole
What is the boiling point of a solution of 30.20 g of ethylene glycol, HOCH2CH2OH, in 88.40 g of phenol?
.850 L of 0.410 M H2SO4 is mixed with .800L of .240 M KOH. what concentration of sulfuric acid remains after neutralization
Consider the titration of 80.0 mL of 0.0200 M HONH2 (a weak base; Kb = 1.10e-08) with 0.100 M HBrO4. Calculate the pH after the following volumes of titrant have been added- (a) 0.0 mL pH = (b) 4.0 mL pH = (c) 8.0 mL pH = (d) 12.0 mL pH = (e) 16.0..
The vapor pressure of water at 20degrees Celcius is 17.5 mmHg. What is the vapor pressure of water over a solution prepared from 2.00x10^2g of sucrose(C12H22O11) and 3.50x10^2g water
the hypothetical metal Q with atomic mass of 68.33 has two isotopes ^67Q (isotopic mass 66.945 amu) and ^69Q (isotpes mass 68.958 amu) calculate the abundance of ^67Q in %
How many grams of methane gas (CH4) need to be combusted to produce 18.2 L water vapor at 1.2 atm and 275 K? CH4 (g) + 2 O2 (g)-> CO2 (g) + 2 H2O (g)
What is the total number of atoms in one unit (molecule or formula unit) of K2CrO4? What is the total number of atoms in a mole of K2CrO4
A 2.9 m solution of methanol (CH3OH) in water has a density of 0.984 g/ml. What are the a) mass percent, b) molarity, and c) mole fraction of methanol in this solution?
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. Write the balanced half-reaction..
the two complimentary single strands of DNA shown below can form (at least) three secondary structures upon annealing. Name three of them.
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