Mass of potassium sulfate = 189 mg =0.189 g
1 g= 1000 mg
Molecular mass of potassium sulfate = 174.24 g/mol
Moles of potassium sulfate,n =
b) 1 mol = 1000 milli moles
0.001016 mol =0.001016 × 1000 milli moles = 1.016 milli moles
c) n = moles of substance
V = Volume of the solution in L
Molarity of of potassium sulfate:
Volume of the solution = 761 mL = 0.761 L (Mass of solute is very less)
1 mol potassium sulfate gives 2 mol of potassium ions and 1 mole of sulfate ions.
Molarity of potassium ions:
Molarity of sulfate ions:
d) Volume of solution = 0.761 L
Amount of potassium sulfate = 189 mg
Potassium sulphate
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite, or archaically potash of sulfur, is the inorganic compound with formula K2SO4, a white water-soluble solid. It is commonly used in fertilizers, providing both potassium and sulfur.
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