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How much potassium bromide in grams should be added to water to prepare 0.50L of solution with a molarity of 0.125M?
Wiki User
∙ 13y ago
0.125M x 0.50L= .0625 mol x 118g= 7.4g KBr
Wiki User
∙ 13y ago
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How many moles of potassium hydroxide are required to prepare 300 mL of 0.250 M solution?
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111.72
How many moles of potassium hydroxide are required to prepare 300 mL of 0.250 M solution?
Molarity = moles of solute/liters of solution ( 300 ml = 0.300 liter ) 0.250 molar KOH = moles KOH/0.300 liters = 0.075 moles KOH
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dissolve iodine crystals in a saturated KI(potassium iodide) solution
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ask your teacher.
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it is primary standard........ but before making solution dry it at 120. C
How will you prepare a supersaturated solution of potassium nitrate in water?
I think this is inappropriate for asking on the Internet.
How do you prepare 50 percent solution of potassium carbonate?
Dissolve 50 g of potassium carbonate in 100 mL of water at 20 0C.
