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A 68.4g sample of Potassium

Potassium has an atomic mass of 39.10amu. a sample of potassium is made up of isotopes potassium-39 (mass=38.964) and
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2. asked by Skylar
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A 5.000g sample of a dry mixture of potassium hydroxide, potassium carboate and potassium chloride is reacted with 0.100 L of
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2. asked by Catherine
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A 0.1818 g sample of sodium oxalate required 28.12 ml of a potassium permanganate solution to reach the endpoint (assume the
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2. asked by Anonymous
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I said building up sample of 25 vitamin tablets is obtained in the potassium contact of each tablet is measured. The sample has
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A compound contains only potassium and iodine. A sample weighing 12.3 g of this compound contained 2.90 g of potassium. How many
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2. asked by Madoo
3. 676 views
A 16.48 g sample of potassium permanganate is dissolved in a 250.0 mL volumetric flask. A 125.1 mL sample of the potassium
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2. asked by Millie
3. 670 views
To determine the mass percentage of an iron sample, the dissolved sample [iron exists at the start as iron(II)] was titrated
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2. asked by Anna
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A 2.118 g sample of a solid mixture containing only potassium carbonate ( MM=138.2058 g/mol ) and potassium bicarbonate (
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2. asked by mike
3. 2,896 views
A 2.764 g sample containing only iron and aluminum metal was treated with acid to form Al(+3) and Fe(+2). The sample was then
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2. asked by Jessica
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A 1.24 gram sample of potassium chlorate was heated with manganese dioxide until no addition reaction was visible. THe potassium
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2. asked by K
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