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H3PO4 Ka1= 7.5x10^-3 Ka2= 6.2x10^-8 Ka3=4.2x10-^13 Explain how you will

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
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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
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2. asked by chelsea
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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. 24 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
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2. asked by jacob :)
3. 1,628 views
A solution of aniline(C6H5NH2, Kb=4.2x10^-10) has a pH of 8.69 at 25 Celsius. What was the initial concentration of aniline?I
1. 3 answers
2. asked by V
3. 3,728 views
Juan is taking a road trip to Pennsylvania. the distance he plans to travel can be written as 2x10^3 kilometers, 2x10^5 meters,
1. 1 answer
2. 18 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. 118 views
Which expression represents the quotient below? 4.6x10^5 / 2.3x10^6A. 2x10^0 B. 2x10^-1 C. 2x10^1 D. 2x10^-30
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2. asked by hi :)
3. 107 views
which expression is equivalent to (4x10^4)/(6x10^6)x(3x10^-2)2x10^4 2x10^6 2x10^5 2x10^-4
1. 1 answer
2. 49 views
The Andromeda Galaxy is the closest to the Earth’s Milky Way Galaxy. It contains at least 200,000,000,000 stars. Write
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2. 64 views