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1. You have 125 mL of nitric acid, but you don't know its concentration. To determine the concentration you take a 32.91 mL portion of the acid and titrate it with a 18.75 mM solution of lithium hydroxide. You find that you need 22.03 mL of the base to neutralize the acid. What is the molar concentration of the acid? Show work and explain
2. You wish to neutralize a solution of phosphoric acid by adding to it solid lithium hydroxide. The phosphoric acid solution is 12.74 mL and has a concentration of 0.283 M. What mass of lithium hydroxide must you add to neutralize the solution?
phenol c6h5oh is a weak organic acid.suppose 0.515g of the compound is dissolved in exactly 125 ml ofwater. the
The reusable booster rocket of the U.S. space shuttle employs a mixture of aluminum and ammonium perchlorate for feul. the chemical reaction that occurs is
What accelerating voltage is required to pass a N O +3 molecule through the exit slit of a magnetic sector mass spectrometer if the magnet has a field strength of 0.240T and the radius of curvature
The specific heat of an unknown metal is 0.230 j /gc. A 45.0 g sample of the metal is heated from 25.0 c to 58.0 c. Explain how much heat is needed to accomplish this
In the paper industry, Given mother rolls of fixed width (mother roll ) a set of orders for rolls of smaller widths, the objective of the Cutting Stock Problem is to determine how to cut the rolls into smaller widths to fulfill the orders in such ..
A 247.7mg sample of an unknown substance was submitted for combustion analysis. The sample yielded 632.64 mg of Carbon dioxide and 259.04mg of water. 1) What is the empirical and molecular formular of this unknown substance
A hydrocarbon is a compound that contains mostly carbon and hydrogen. Compute the percent composition by mass of the following hydrocarbon C 5 H12.
A gas sample contains 7.3 g of CH4 and 3.0 g of He. What is the volume of the sample at STP?
Consider the conductance of the following 0.025 M Solutions.How do I use data to classify each solute as either a nonelectrolyte (NE), a weak electrolyte (WE), or a strong electrolyte (SE)
The analysis showed 92% CO2, 2.2% NO, 1.7%SO2 and 4.1%H2O by mass. what is the partial pressure exerted by nitric oxide (NO)
Calculate the pH of a solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M benzoic acid (Ka = 6.5 x 10-5).
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
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