Question

determine the moles of K atoms in 20.0g of kcl

Chromium (III) oxide Mercury (IT) chloride Calcium nitrite Sodium sulfite Croos Hg Cla CalNo,) Naaso, Cos CPOL NaNO, Cobalt (IT) phosphate CuSO. NO Sodium Nitrate Copper (Ill Sulfate Dinitrogen pentovide Phosphorus pentasulfide Nitrosen dioxide PAS NO2 3. Determine the moles of K atoms in 20.0 g of KCI.

Answer 1

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Answer : siven mass of kce = dog. & also we know, molar mass of kce = 74.55 g mol / یک no. of moles of KCl = 20 74.55 mol - 0.268 mol. t mole of Kce contains I mole of K atoms Hence, for 0.268 moles of kce, there are 0.268 moles of Katoms. Answer: 10.268 moles of K atoms