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Explain when solutions of lanthanum (III) bromide as well as potassium oxalate are mixed, a precipitate of lanthanum (III) oxalate forms.
1) Define what is the morality of the potassium oxalate solution if 94.0 mL are necessary to react with 24.5 mL of 0.240 M lanthanum (III) bromide?
2) Define what mass of lanthanum (III) oxalate would be produced under the conditions above?
How many moles of pure KHP are in a sample if it takes 15 mL of 0.1005 M NaOH to reach the endpoint of the titration
One mole of an ideal gas with a volume of 1.0 L and a pressure of 5.0 atm is allowed to expand isothermically into an evacuated bulb to give a total volume of 2.0L. Calculate w and q. Also calculate qrev for this change of state.
A gas occupies 12.3 liters at a pressure of 40.0 mmHg. What is the volume when the pressure in increased to 60.0 mmHg
a 35.0-ml sample of 0.20 m lioh is titrated with 0.25 m hcl. what is the ph of the solution after 23.0 ml of hcl have
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NH2, is neutralized by a KOH solution. A 25.70 mL of KOH was added to the solution and 3.40 mL of HCl was used to back titrate the solution. In the ratio determination of 23.10 mL, HCl was used to completely neutralize 20.00 mL of KOH. Find the no..
Given that the ionization energy of gaseous potassium is 419 kJ mol-1, calculate the lattice energy of potassium chloride.
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