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If 250ml of Ba(OH)2 is

A 0.512g sample of CaCO3 is dissolved in 12M HCl and the mixture is diluted to 250ml. A. Calculate the concentration of Ca+2 in
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2. asked by Felix Dagogo
3. 1,015 views
I have 0.500ml of 3M ethanol and then I take 0.250ml of it and put it to 0.250ml of 0.06M phosphate buffer, what is the final
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2. asked by trouble
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How do I find the mass of KHP?0.5050 grams of KHP was used and placed into a 250mL volumetric flask and diluted to the mark with
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2. asked by Linda
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You weigh out 196.07mg ferrous ammounium sulfate (FW 392.14) to prepare 250mL of solution which is 0.002M with respect to that
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2. asked by Ken
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In a clean 250mL volumetric flask, 125mL of a 6.0 M hydrochloride acid was added. This was then diluted with more water to reach
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2. asked by Laura
3. 593 views
You have a small graduated cylinder with maximum capacity of 250ml. All measuring marks have been worn off except the 50ml, the
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2. asked by Jason
3. 533 views
5.85g of sodium chloride is dissolved in 250mL of solution. Calculate: a)the molarity of the solution b)the mass percentage of
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2. asked by Asmera
3. 4,570 views
1. In order to make 250mL of a 0.100 M HNO3 solution from a 15.9 M stock solution, then _____mL if the 15.9 M stock HNO3
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2. asked by Queen
3. 870 views
Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up
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2. asked by Denise
3. 3,032 views
Can someone please check my work?Calculate the mass of (NH4)2S2O8 needed to prepare 250mL of a 0.100M solution. I got 5.705 g.
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2. asked by Rachel
3. 2,344 views