H3PO4 Ka1= 7.5x10^-3 Ka2= 6.2x10^-8

H3PO4 Ka1= 7.5x10^-3 Ka2= 6.2x10^-8 Ka3=4.2x10-^13Explain how you will make a buffer with a pH of 11.80 using solid Na2HPO4 and
1. 2 answers
2. asked by Celina Sandoval
3. 817 views
please could you check the first 2 then explain the method on the other 21)5.2x10^6 + 3x10^5 5200000+300000=5500000 5.5x10^6
1. 3 answers
2. asked by chelsea
3. 726 views
for questions 15 and 16, multiply. write in scientific notation(9x10^4)(8x10^6) 7.2x10^25 1.7x10^11 7.2x10^11 1.7x10^25
1. 3 answers
2. asked by jacob :)
3. 1,686 views
A buffer that consists of a mixture of NaH2PO4 and K2HPO4 has a pH of 6.73. The (HPO4)/(H2PO4) ratio in this buffer is what? If
1. 1 answer
2. asked by Anonymous
3. 1,357 views
what is the expanded form of 23.752x10 + 3x1 + 5 x 1/10 + 7 x 1/100 2x10 + 3x1 + 7 x 1/100 + 5 x 1000 5x10 + 7x1 + 3x1/10 +
1. 5 answers
2. asked by Madam Kitty
3. 51 views
order from greatest to least 2.5x10^2 7.0x10^1 4.2x10^-2 1.2x10^-1
1. 1 answer
2. asked by KahMya
3. 127 views
1. (3.0x10^4) divided by (6.2x10^1)= 5x10^2? 2. (4.7x10^-3) divided by (9x10^-4) = 5x10^-6 3. (3.0x10^4) times (6.2x10^1)
1. 1 answer
2. asked by anonymous
3. 1,113 views
Solve each problem and write your answer in scientific notation.1.(6.0x10^5)x(3.0x10^4) A.18x10^20 B.18x10^9 C.1.8X10^20
1. 4 answers
2. asked by Help please
3. 2,110 views
Which of the following is greater than 4.3x10^9A. 2.1x10^9 B. 3.2x10^9 C. 5.3x10^9*** D. 7.4x10^8 Which of the following is less
1. 4 answers
2. asked by HELP
3. 1,473 views
1.Which of the following is greater than 4.3x10^9A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are
1. 24 answers
2. asked by Anonymous
3. 5,558 views