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Answered 2015-12-07 21:26:09

The molarity of KNO3 is 0,058.

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We can use PV = nRT to find moles of HCl (1 atm)(4.60 L) = n(0.08206 L*atm/mol*K)(298.15 K) moles HCl = 0.188 moles Molarity = moles of solute/Liters of solution Molarity = 0.188 moles HCl/0.240 liters = 0.783 Molar HCl =============


Not likely. Potassium nitrate, KNO3 is the salt of a strong acid (HNO3) and a strong base (KOH). Thus, the pH of a solution of KNO3 will be very close to pH=7, depending really on the pH of the water used to make the solution. There is no way to get it to pH = 8.75. You'd need to used something like potassium acetate, the salt of a strong base and a weak acid.


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