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0.5 L of a 0.25 M HCL solution is titrated with a solution of 0.50 M NaOH
What is the pH before addition of NaOH?
What is the total number of moles of acid?
What is the pH after addition of 125 mL of NaOH solution?
What volume of the NaOH solution is required to reach the equivalence point?
What is the pH at the equivalence point?
What is the pH after addition of 375 mL (total) of NaOH solution?
Explain the process of reduction when referring to metals within the earth. It is possible to have glass and asbestos with identical composition, and yet one is considered hazardous and the other is not.
A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution
what would its speed be just before striking the ground? Ignore the effects of air resistance
the meta and para forms of phenylene diamine are used in the production of Kevlar and Nomex, respectively. Why is a corresponding material with similar properties not made from ortho-phynelene diamine
How many milliliters of a 7.47 M LiOH solution are needed to neutralize 25.0 mL of a 2.87 M HBr solution
Compound A (C11H16O) has a band in the IR spectrum at 3450 cm%u20131 (strong, broad) and does not react with pyridinium chlorochromate (PCC) in CH2Cl2
A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 m glass of water, what is the pH of the solution
The product contains a three carbon chain (from the alcohol) connected to a five carbon chain (from the acid) by an ester linkage. Review the structure of an ester. The sp3 intermediate contains three oxygen atoms, two from the acid and one from t..
Calculate the sulfur hexafluoride partial pressure when a circuit breaker with this gas mixture reaches its rated limit of -40.0 degree celcius. How does the density of the gas in the circuit breaker change as the temperature drops
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
Cycloprpane decomposes in a first-order reaction at 500 C If the cyclopropane concentration is .670 M at the start of the reaction and is .367 M after 900 s, what is the rate constant for the reaction
A 15.0 mg sample of a protein is dissolved in water to make 27.0 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25 C. What is the molar mass of the protein?
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