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entire space after the valves are open. in a sample of limestone weighing 0.142g was precipitated...
eve space after the valves are open 5.(25pts) The Ca in a sample of limestone weighing 0.182g was precipitated by using...
eve space after the valves are open 5.(25pts) The Ca in a sample of limestone weighing 0.182g was precipitated by using oxalate ions C204 to produce Ca C 0.(s) via the reaction Ca* (aq) + C204 (aq) -----> Ca C 0.(s) If the resulting Ca C20.() weighed 0.133 g, what was the % Ca' in the original sample?
5.(25pts) The Ca' in a sample of limestone weighing 0.142g was precipitated by using oxalate ions C204 to produce C...
5.(25pts) The Ca' in a sample of limestone weighing 0.142g was precipitated by using oxalate ions C204 to produce Ca C2O4(s) via the reaction Ca²+ (aq) + C3042 (aq) -----> Ca C2O4(s) . If the resulting Ca C2O4(s) weighed 0.153 g, what was the % Ca'' in the original sample? Bonus Problem (+6pts. No partial credit. A 500.0 mg table of an antacid containing Mg(OH)2, Al(OH)3, and a binder was dissolved in 50.0 mL of 0.500 M HCL. The resulting...
5.(25pts) The Ca? in a sample of limestone weighing 0.142g was precipitated by using oxalate ions...
5.(25pts) The Ca? in a sample of limestone weighing 0.142g was precipitated by using oxalate ions C204 to produce Ca C20d() via the reaction Ca' (aq) + C20. (aq) ----> Ca C,04(s). If the resulting Ca C,04() weighed 0.153 g, what was the % Ca' in the original sample? Bonus Problem (+6pts. No partial credit. A 500.0 mg table of an antacid containing Mg(OH)2, Al(OH)3, and a binder was dissolved in 50.0 mL of 0.500 M HCl. The resulting solution...
4.(20pts) Valves closed He (ideal gas) (Flask on left) V 2.50 L P 425 torr Ne...
4.(20pts) Valves closed He (ideal gas) (Flask on left) V 2.50 L P 425 torr Ne (ideal gas) (Flask in middle) V 7.00 L P 677 torr Flesk on Right V 3.00 L P 0 (vacuum) When the valves are open, the gases will mix. Assuming that the temperature is constant, what is the final total pressure in torr? Hint: First compute the partial pressures of each gas after it expands to fill the entire space after the valves are...
(W) 36.0 cm (ii) - 59,0 cm The following problems are due next week but you...
(W) 36.0 cm (ii) - 59,0 cm The following problems are due next week but you should work on them with your group today 4.(20pts) Valves closed He ideal gas) (Flask on left) Neideal gas) (Flask in middle) Paskon Right V-3.50 L V = 6.85 L V=3.00 L P = 442 torr P=640 torr P=0 (vacuum) When the valves are open, the gases will mix. Assuming that the temperature is constant, what is the final total pressure in torr? Hint:...
5. A 2.600 g sample of limestone was dissolved in excess 0.200 M HCl(aą): CaCO(s) 2...
5. A 2.600 g sample of limestone was dissolved in excess 0.200 M HCl(aą): CaCO(s) 2 HCa)Ca (a2 CT(a)CO (g)HO) Excess 0.10 M (NH C20(a) was added to the resulting solution to precipitate the calcium ions as calcium oxalate, CaC204(s). Ca (aq) (NH).CO(a)CaC,04(s)2 NH (aq) The precipitate was filtered and dried three times to a constant mass of I 036 g. Determine the mass% Ca in the limestone sample.
eve space after the valves are open 5.(25pts) The Ca in a sample of limestone weighing 0.182g was precipitated by using oxalate ions C204 to produce Ca C 0.(s) via the reaction Ca* (aq) + C204 (aq) -----> Ca C 0.(s) If the resulting Ca C20.() weighed 0.133 g, what was the % Ca' in the original sample?
5.(25pts) The Ca' in a sample of limestone weighing 0.142g was precipitated by using oxalate ions C204 to produce Ca C2O4(s) via the reaction Ca²+ (aq) + C3042 (aq) -----> Ca C2O4(s) . If the resulting Ca C2O4(s) weighed 0.153 g, what was the % Ca'' in the original sample? Bonus Problem (+6pts. No partial credit. A 500.0 mg table of an antacid containing Mg(OH)2, Al(OH)3, and a binder was dissolved in 50.0 mL of 0.500 M HCL. The resulting...
5.(25pts) The Ca? in a sample of limestone weighing 0.142g was precipitated by using oxalate ions C204 to produce Ca C20d() via the reaction Ca' (aq) + C20. (aq) ----> Ca C,04(s). If the resulting Ca C,04() weighed 0.153 g, what was the % Ca' in the original sample? Bonus Problem (+6pts. No partial credit. A 500.0 mg table of an antacid containing Mg(OH)2, Al(OH)3, and a binder was dissolved in 50.0 mL of 0.500 M HCl. The resulting solution...
4.(20pts) Valves closed He (ideal gas) (Flask on left) V 2.50 L P 425 torr Ne (ideal gas) (Flask in middle) V 7.00 L P 677 torr Flesk on Right V 3.00 L P 0 (vacuum) When the valves are open, the gases will mix. Assuming that the temperature is constant, what is the final total pressure in torr? Hint: First compute the partial pressures of each gas after it expands to fill the entire space after the valves are...
(W) 36.0 cm (ii) - 59,0 cm The following problems are due next week but you should work on them with your group today 4.(20pts) Valves closed He ideal gas) (Flask on left) Neideal gas) (Flask in middle) Paskon Right V-3.50 L V = 6.85 L V=3.00 L P = 442 torr P=640 torr P=0 (vacuum) When the valves are open, the gases will mix. Assuming that the temperature is constant, what is the final total pressure in torr? Hint:...
5. A 2.600 g sample of limestone was dissolved in excess 0.200 M HCl(aą): CaCO(s) 2 HCa)Ca (a2 CT(a)CO (g)HO) Excess 0.10 M (NH C20(a) was added to the resulting solution to precipitate the calcium ions as calcium oxalate, CaC204(s). Ca (aq) (NH).CO(a)CaC,04(s)2 NH (aq) The precipitate was filtered and dried three times to a constant mass of I 036 g. Determine the mass% Ca in the limestone sample.
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