Chemistry, 26.08.2020 01:01 natalieoppelt
This was on my digital worksheet. I need help, I haven’t used in a while.
Which statement is correct?
A. Block A has the greatest density.
B. Block B had the greatest density.
C. The density of Block A is equal to the density of Block B.
D. The density of Block B is equal to the density of Block C.
Answers: 1
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Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
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What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
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Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
This was on my digital worksheet. I need help, I haven’t used in a while.
Which statement is correc...
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