Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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M5 Check-in Activity 3 Name: Year and Section: 1. Write an equation showing how the mass of the substance sought can be converted to the mass of the weighed substance on the right. Sought *(a) SO, (b) Mg *(c) In (d) K *(c) CuO Weighed BASO, Mg,P,O, In‚O3 K;PtCl, Cuz(SCN), Sought (f) MnCl, (g) Pb,O, (h) U,P¿O1 *(i) Na,B,O, • 10H;O B¿O; (j) Na,O Weighed Mn,O4 PbO, P;O5 †NaZn(UO,),(C,H,O.), · 6H,0 2. What mass of Cu(IO,), can be formed from 0.650 g of CuSO, · 5H,O? 3. What mass of KIO, is needed to convert the copper in 0.2750 g of CuSO, 5H,0 to Cu(IO;),? 4. What mass of AgI can be produced from a 0.512-g sample that assays 20.1% AII,? 5. A 0.8102-g sample of impure Al,(CO,), decomposed with HCI; the liberated CO, was collected on calcium oxide and found to weigh 0.0515 g. Calculate the percentage of aluminum in the sample. 6. The hydrogen sulfide in an 80.0-g sample of crude petroleum was removed by distillation and uncollected in a solution of CdCl,. The precipitated CdS was then filtered, washed, and ignited to CdSO4. Calculate the percentage of H,S in the sample if 0.125 g of CdSO, was recovered. 7. A 0.2121-g sample of an organic compound was burned in a stream of oxygen, and the CO, produced was collected in a solution of barium hydroxide. Calculate the percentage of carbon in the sample if 0.6006 g of BaCO, was formed.
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Transcribed Image Text:M5 Check-in Activity 3 Name: Year and Section: 1. Write an equation showing how the mass of the substance sought can be converted to the mass of the weighed substance on the right. Sought *(a) SO, (b) Mg *(c) In (d) K *(c) CuO Weighed BASO, Mg,P,O, In‚O3 K;PtCl, Cuz(SCN), Sought (f) MnCl, (g) Pb,O, (h) U,P¿O1 *(i) Na,B,O, • 10H;O B¿O; (j) Na,O Weighed Mn,O4 PbO, P;O5 †NaZn(UO,),(C,H,O.), · 6H,0 2. What mass of Cu(IO,), can be formed from 0.650 g of CuSO, · 5H,O? 3. What mass of KIO, is needed to convert the copper in 0.2750 g of CuSO, 5H,0 to Cu(IO;),? 4. What mass of AgI can be produced from a 0.512-g sample that assays 20.1% AII,? 5. A 0.8102-g sample of impure Al,(CO,), decomposed with HCI; the liberated CO, was collected on calcium oxide and found to weigh 0.0515 g. Calculate the percentage of aluminum in the sample. 6. The hydrogen sulfide in an 80.0-g sample of crude petroleum was removed by distillation and uncollected in a solution of CdCl,. The precipitated CdS was then filtered, washed, and ignited to CdSO4. Calculate the percentage of H,S in the sample if 0.125 g of CdSO, was recovered. 7. A 0.2121-g sample of an organic compound was burned in a stream of oxygen, and the CO, produced was collected in a solution of barium hydroxide. Calculate the percentage of carbon in the sample if 0.6006 g of BaCO, was formed.
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