1. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCI according to the following equation:

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1 Gallium Chloride Is Formed By The Reaction Of 2 6 L Of A 1 44 M Solution Of Hci According To The Following Equation 1 (87.7 KiB) Viewed 15 times

1. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCI according to the following equation: 2Ga + 6HCI 2GaCl,+ 3H, (a) Outline the steps necessary to determine the number of moles and mass of gallium chloride. (b) Perform the calculations outlined. 2. Silver is often extracted from ores such as K[Ag(CN);] and then recovered by the reaction 2K[Ag(CN),] (aq) + Zn (s) →→ 2Ag (s) + Zn(CN), (aq) + 2KCN (aq) (a) How many molecules of Zn(CN), are produced by the reaction of 35.27 g of K[Ag(CN),]? (b) What mass of Zn(CN), is produced? 3. Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper and in other applications. It is prepared by the reaction of pure sand, SiO2, with carbon at high temperature. Carbon monoxide, CO, is the other product of this reaction. Write the balanced equation for the reaction, and calculate how much SiO; is required to produce 3.00 kg of Sic. 4. Urea, CO(NH₂), is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from the CO₂ produced by combustion of 1.00x 10 kg of carbon followed by the reaction? CO, (g) + 2NH, (9) —P CO (NH) +HO