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A student carefully diluted 25.0mL of 6 M NaOH solution in 475 mL if distilled water. Calculate the molarity of the diluted solution of base.
Explain why this diluted NaOH solution cannot be used as a standard solution of Base.
What is the pressure exerted by 87.2 g of chlorine gas in a 14.0-L vessel at 12.3oC. (R = 0.08206 L atm K-1 mol-1)
In a 0.34 M solution of sodium acetate, what concentration of hydronium ions comes from the self-ionization of water? pKb for acetate anion is 9.246
What is the freezing point of a solution of ethylene glycol, a nonelectrolyte, that contains 81.0 g of (CH2OH)2 dissolved in 505 g of water?
Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 25.5 oC ) by the evolution of hydrogen in the subsequent reaction. State any assumptions you have made.
Draw a structure of the species that is formed at the lower PH if the acid proton adds to the azo nitrogen atom adjacent to the aromaic ring containing the SO3- group. Why does the proton adds to this particular nitrogen when two other nitrogen at..
If a 0.568m soloution had a 3.75 C difference in its freezing point from the pure solvent, what is the freezing point depression constant Kfp for the solvent
Consider the reaction CaCN2 + 3 H2 O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
A 35.0ml sample gas is enclosed is in a gas tight syringe at 22 degress celcius. If the syringe is immersed in an ice bath a 0 degress celcius, what is the new gas volume.
Which statement is not true about fission? Answer a. process requires initiation by a neutron b. products have smaller nuclei than reactants c. combination of atomic nuclei d. critical mass produces a chain reaction
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol
at constant volume the temperature of a sample of sulfur dioxide gas is decreased from 97 oc to 27 oc.nbsp what was the
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
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