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1. |
Calculate the molarity of a solution containing 9.8 gm of H SO.250cm3 of aqueous solution. |
Answer» <p>Moles of solute = Mass of solute / Molar mass of solute= 9.8 g / 98 g/mol= 0.1 mol</p><p>Volume of solution = 25 cm³ = 0.025 Litres</p><p>Molarity = Moles of solutes / Volume of solution in litres= 0.1 mol / 0.025 litres= 4 M</p><p>Molarity of given solution is 4 M</p> | |