Positive ions from a base and negative ions from an acid form a_____ .
2 answers:
Explanation:
Bases are the species which contain ions whereas acids are the species which contain
ions. When positive ions from a base reacts with negative ions of an acid then it results in the formation of salt.
For example, when base NaOH reacts with hydrochloric acid then it results in the formation of sodium chloride and water.
The reaction is as follows.
Thus, we can conclude that positive ions from a base and negative ions from an acid form a salt.
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Answer:
0.0250 g
Explanation:
Step 1: Determine the molar mass of Vitamin C.
The molar mass is the mass in grams corresponding to 1 mole. In order to calculate the molar mass of vitamin C (C₆H₈O₆) we need to add the molar masses of the elements that compose it.
M(C₆H₈O₆) = 6 × M(C) + 8 × M(H) + 6 × M(O)
M(C₆H₈O₆) = 6 × 12.01 g/mol + 8 × 1.01 g/mol + 6 × 16.00 g/mol
M(C₆H₈O₆) = 176.14 g/mol
Step 2: Calculate the mass corresponding to 0.000142 mol of vitamin C.