Chemistry, 27.08.2021 22:00 tylerharmsss
The (w/w) % of aqueous solution of NaCl is 10. What is its (w/v) % ?
(Density of solution is 2 g/mL)
(a) 20 (b) 50 (c) 30 (d) 80
Answers: 3
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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.
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The (w/w) % of aqueous solution of NaCl is 10. What is its (w/v) % ?
(Density of solution is 2 g/m...
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