1,According to this equation, what volume of F2(g) at 40°C and 2.00 atm is required to react completely with 1.16 L of NH3(g) at 15°C and 1.25 atm?
2,What is the molarity of a 81.8-mL KCl solution which contains 7.66 g of KCl?
3,Calculate the molarity of the following aqueous K2SO4 solution: 4.31 moles of K2SO4 in 1.07 L of solution.
4,Calculate the molarity of the following aqueous HBr solution: 7.47 moles of HBr in 1.02×103 mL of solution.
2.moles of kcl=7.66/74.5
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