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11 Nov 2019
365 g Ca(Nos)2 (164 g/mol) is dissoved in water to make 200 0 cm3 of solution. What is the concentration of nitrate ions in this solution in molarity? o 105 M 0 2.23 M 0 0831 M o 525 M O 291 M o 0.290 M o 1.86 M O 0.406 M QUESTION 4 We find that 18.90 milliters of a 2.50M KOH solution are required to titrate 35.0 milliters of a H2S04 solution. What is the molarity of the H2804 solution? 2KOH + H2SO4 â K2SO4 + 2H2O O 0.675 M 0 1.57 M 0 0.0711 M O 0.128 M O 404 M O 0903 M 1.18 M o 0.0173 MM QUE STION 5 How many mL of 0.560 Molar Ba(OH)2 must a scientist pour into a beaker to have 400 g of Ba(OH)2 n the beaker? 0 552 mL o 29.9 mL O 417 ml 602 ml 322 mL o 31.1 ml O 8.61 ml 9 88 6 ml QUESTION If 22.0 mL of a H3PO4 solution are required to titrate 29 5 ml of a 0.162M Ba(OHl2 solution, what is the molarity of the HyPO soluton? o 1.35M 00 145M o 0.305 M o 1.16 M O 0 169 M O0 541 M 0 0471 M o 0 0735 M
365 g Ca(Nos)2 (164 g/mol) is dissoved in water to make 200 0 cm3 of solution. What is the concentration of nitrate ions in this solution in molarity? o 105 M 0 2.23 M 0 0831 M o 525 M O 291 M o 0.290 M o 1.86 M O 0.406 M QUESTION 4 We find that 18.90 milliters of a 2.50M KOH solution are required to titrate 35.0 milliters of a H2S04 solution. What is the molarity of the H2804 solution? 2KOH + H2SO4 â K2SO4 + 2H2O O 0.675 M 0 1.57 M 0 0.0711 M O 0.128 M O 404 M O 0903 M 1.18 M o 0.0173 MM QUE STION 5 How many mL of 0.560 Molar Ba(OH)2 must a scientist pour into a beaker to have 400 g of Ba(OH)2 n the beaker? 0 552 mL o 29.9 mL O 417 ml 602 ml 322 mL o 31.1 ml O 8.61 ml 9 88 6 ml QUESTION If 22.0 mL of a H3PO4 solution are required to titrate 29 5 ml of a 0.162M Ba(OHl2 solution, what is the molarity of the HyPO soluton? o 1.35M 00 145M o 0.305 M o 1.16 M O 0 169 M O0 541 M 0 0471 M o 0 0735 M
Deanna HettingerLv2
22 Feb 2019