Chemistry, 16.07.2019 21:30 vandarughb2875
In a chemical reaction, 18 grams of hydrochloric acid reacts with 20 grams of sodium hydroxide to produce sodium chloride and water. which statement is correct?
the mass of water formed is 38 grams.
the mass of sodium chloride formed is 38 grams.
the total mass of sodium chloride and water formed is greater than 35 grams.
the total mass of sodium chloride and water formed is less than 35 grams.
Answers: 2
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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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In a chemical reaction, 18 grams of hydrochloric acid reacts with 20 grams of sodium hydroxide to pr...
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