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mixing 100ml of 0.015M Nah2PO4

mixing 100ml of 0.015M Nah2PO4 and 100ml of NA2HPO4. What is the pH?This has got to be simple but why am I having trouble with
1. 2 answers
2. asked by Gordon
3. 490 views
Write up the recipe to make 100mL of a 200mM phosphate buffer, pH 7.0 by using:(a) only NaH2PO4 (MW 120g/mol) and NaOH (1.00M)
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2. asked by Abba
3. 944 views
Be able to calculate the pH of a solution prepared by mixing 50.0mL of 0.200M NaH2PO4 (pKa2=7.20) with 50.0mL of 0.120M NaOH. I
1. 1 answer
2. asked by Vicki
3. 987 views
what is the pH of the buffer when 4ml of 1M HCl is added to a 100ml buffer solution made using 5ml 1M Na2HPO4 and 5ml 1M
1. 0 answers
2. asked by matt
3. 732 views
How can i prepare a 100ml, 0.1M phosphate buffer solution (pH = 7) out of Na2HPO4 and NaH2PO4
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2. asked by mel
3. 836 views
How would I make 100mL of a .100 M phosphate buffer with a pH of 7.2 using 1 M NaH2PO4 and Na2HPO4 solid (MW= 142 g/mol)?
1. 1 answer
2. asked by Hannah
3. 751 views
How can i prepare a 100ml, 0.1M phosphate buffer solution (pH = 5) out of Na2HPO4 and NaH2PO4
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2. asked by atul
3. 847 views
What happens when 4ml of 1M HCL is added to 100ml buffer made using 5ml 1M Na2HPO4 and 5ml 1M NaH2PO4? The pKa for H+ + HPO4- =
1. 1 answer
2. asked by matt
3. 755 views
Calculate the pH of the buffer formed by mixing 50.0mL of 0.200 F NaH2PO4 with 50.0mL of 0.120 F HCl
1. 1 answer
2. asked by Wynona Genesis
3. 1,321 views
A solution is prepared by mixing 13.00 ml of .0021 M aqueous Hg2(NO3)2 with 25 ml of .015M HCL. Assme that volumes are additive.
1. 2 answers
2. asked by Anmol
3. 1,073 views