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The Ksp of calcium carbonate is 4.5x10^-9. What is the concentration of a saturated calcium carbonate solution?
Calculate the mass of silver chloride required to plate 235 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% .
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) for one mole of gas at 385 K.
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm and a temperature of 293K. What volume will the gas occupy if the pressure changes to 0,980 atm and the temperature remains unchanged?
If the pressure of "wet" hydrogen is assumed to equal atmospheric pressure and the volume is recorded, will the calculated moles of hydrogen gas be too high or too low?
Explain why the boiling point of an aqueous solution that is 1.0 m in glucose (C6H12O6) is 100.51oC whereas The boiling point of an aqueous solution that is 1.0 m in NaCl is 101.02 oC .
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
A mixture of 82.0 g of magnesium (24.31 g/mol) and 350 g of iron(III) chloride (162.2 g/mol) is allowed to react. What mass of magnesium chloride (95.21 g/mol) can be formed?
The Ksp of magnesium carbonate is 4.0x10-5. write balanced chemical equations and Ksp expressions for each of the salts as part of your solution
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges (as in the following example), and that there are no other bonds between the two bonds drawn with the stereo wedges.
In the titration of ascorbic acid with potassium iodate in the presence of potassium iodide, what happens when an excess of potassium iodate
For the spectrum labeled as DBABA come up with a valid structure for a molecule likely leading to the given spectrum. The molecular formula is C15H23NO. Is a benzene ring present?
what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? The vapor pressure from water at 30 C is 31.8 torr.
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