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C19 H17 Cl F N3 O5 S (all one compound, spaced them so it's easier to see) contains 8 double bonds. How many rings are present? (note treat sulfur as you would oxygen)
An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08.
How much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is converted to aspirin
A sample obtained from that mixture containing 443900 particles weighs 10.0g. Determine the number and percent relative standard deviation of NaCN particels from a sample of the mixture weighing 7.16g.
What is the total pressure in a 11.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
Therefore aspartame will have an isoelectric point at a pH between the pKa values of these functional groups. Find the values for these two groups of aspartic acid and calculate a predicted pI value for aspartame.
A student determined the freezing point of pure t-butyl alcohol following the procedure given in this experiment . Because of an experimental error, the freezing point temperature that she obtained was higher than the correct value
Calculate the number of theoretical plates N in the column of length L in 20 cycles. The observed resolution is 1.81. B) Now, calculate the plate height in the column in m.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of {H_3O^+} in a cola that has a pH of 4.240? Express your answer with the appropriate units
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C and 1121 mmHg
What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
if the molarity of the HCl solution was actually greater then the lable indicated would it affect the calculated value for the number of moles of HCl that reacted.
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