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What mass of solid potassium

1)20 mL of a saturated of potassium nitrae at 50oC. Approximately, what mass of solid will precipiatae from the solution?2)At
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2. asked by Maame
3. 1,100 views
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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15.45 grams of solid potassium chlorate decomposes when heated to form potassium chloride and oxygen gas. assuming 100% yeild
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2. asked by mary
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Which substance is most likely to dissolve in greater quantities in cold water? (1 point) Responses oxygen (gas) oxygen (gas)
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2. 62 views
what mass (in grams) of solid potassium permanaganate is required to prepare 250mL of a 0.02 M of potassium permanaganate
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2. asked by Hannah
3. 603 views
what mass (in grams) of solid potassium permanaganate is required to prepare 250mL of a 0.02 M of potassium permanaganate
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2. asked by Hannah
3. 577 views
a mixture containing only sodium chloride and potassium chloride has a mass of 4 g. when this sample is dissolved in water and
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2. asked by kelly
3. 1,144 views
A student put 12.4 grams of potassium sulfate in 29 ml and stirred for 3 hrs. he saw that not all of the solid dissolved, so he
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2. asked by Anonymous
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How much of solid potassium chromate whould you use to prepare 2.00 L of 0.400 M potassium chromate?M x L = mols g/molar mass =
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2. asked by Jayd
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Solid potassium iodide decomposes into solid potassium and iodine gas .
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2. asked by yee
3. 194 views