Stomach acid has a pH of about 2. What conclusion can you reach about the pH of an antacid solution that is used to neutralize e
2 answers:
Explanation:
When a substance or solution has pH equal to 7 then it is known as a neutral solution. And a solution with pH more than 7 is basic in nature.
Antacid is a base that has chemical formula and it is also known as magnesium hydroxide.
Hence, an antacid has pH greater than 7 (making it basic) so that it can neutralize the acid.
Therefore, when excess of acid is formed in the stomach then there occurs more hydrogen ions. Due to which pain is felt in the stomach and in this situation when an antacid is consumed then it releases hydroxide ions as it is a base due to which acid gets neutralized and we feel relieved.
Hence, we can conclude that the pH of an antacid solution that is used to neutralize excess stomach acid is more than 7.
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Answer:
The right answer is "3 g".
Explanation:
Given:
Initial mass substance,
By using the relation between half lives and amount of substances will be:
⇒
Thus, the above is the correct answer.