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Problem- What is the molarity of sodium ions in a solution prepared by diluting 250. mL of 0.550 M Na2SO4 to 1.25 L?
The ACS practice exam says it .220 M, please show me how.
I am in need please provide me complete solution for the above problem so I can get right solution
commercial aircraft fly near 200 mb where typically the outsidetemperature is -60 degrees celsius.a calculate the
In a solution of NH3, the concentration of NH3 is 0.01 M, Kb is 1.8 x 10-5. What is the concentration of the hydroxide ion
A student placed 13.0 g of glucose C6YH12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water
reacting 931 mol of sio2 with excess carbon yields 29.6 kg of sic. what is the percentage
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
State the mechanism for oxidation of an alcohol to a ketone using hypochlorous acid. Explain what are the by-products of this reaction (the non-organic products)
A bicycle tire is filled with air to a pressure of 75. psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What ..
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
at 25.0degc a sample of xe gas occupies 509 ml in a piston-cylider apparatus when the external pressure is 356 torr. at
What are some reasons we want oxide layers and why cant we rely on oxidation in ambient environments for these layers
If this cell is at standard conditions (Cu2+ and Al3+ solutions 1.0 M and 25 degrees celsius), what is the spontaneous redox reaction and the expected cell potential. Which metal serves as the cathode? Write the half-reaction that occurs at the ca..
question identify each of the following as an acid or base and write a chemical equation showing how it is an acid or a
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