Calculate [H+] in 0.375M H2PO4

Calculate [H+] in 0.375M H2PO4 Ka=6.2x10^-8I know I'm suppose to write the equation first, but I'm not sure if I did it right:
1. 0 answers
2. asked by Amanda
3. 529 views
The Ka for the H2PO4–/HPO42– buffer is given by the equation:Ka= ([HPO4^-2]gamma [H^+])/[H2PO4^-]=10^-7.20 What is the pH of
1. 1 answer
2. asked by Cat
3. 3,657 views
Which of the following has the highest buffer capacity?A. 0.10M H2PO4-/0.10M HPO4 2- B. 0.50M H2PO4-/0.10M HPO4 2- C. 0.10M
1. 2 answers
2. asked by Debbie
3. 4,999 views
What is the conjugate acid of H2PO4-? (Type your answer using the format format [H2PO4]- for H2PO4-What is its conjugate base? i
1. 2 answers
2. asked by jake
3. 644 views
which of the following has the highest bugger capacity?A 0.10M H2PO4-/0.10M HPO4 -2 B 0.50 M H2PO4-/0.10 M HPO 2- C 0.10 M
1. 1 answer
2. asked by ameryss
3. 691 views
A sample of 45.0 ml of 0.750M AgNO3 solution is added to 65.0ml of 1.375M Cr(NO3)3 solution. Calculate the resultant
1. 1 answer
2. asked by bec
3. 530 views
Identify the two conjugate acid-base pairs in each of the following.a.) H2PO4-(aq)+HSO4-(aq) <=> H2PO4(aq)+ SO4^-2(aq) b.)
1. 1 answer
2. asked by shelly
3. 1,925 views
which of the following has the highest buffer capacity?A 0.10M H2PO4-/0.10M HPO4 -2 B 0.50 M H2PO4-/0.10 M HPO 2- C 0.10 M
1. 1 answer
2. asked by DebC
3. 1,266 views
what is the dihydrogen phosphate ion?and the answer is not H2PO4-, H2PO4, HPO4... =(
1. 0 answers
2. asked by Spencer
3. 605 views
P(s)+ H+ + NO3- ---> H2PO4 + NO + H2OI am trying to write the two half rxns and I can get one, but not the other. I have: red:
1. 1 answer
2. asked by Holly
3. 630 views