Gastric juice contains 3g HCl per liter....

Gastric juice contains 3g `HCl` per liter. If a person produces 2.5 L of gastric juice per day, how many antacid tables each containing 400 mg of `Al(OH)_(3)` are needed to neutralize all the `HCl` produced in one day ?

`~~13`

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The correct Answer is:

geq of `HCl = (3)/(36.5) xx 2.5 = 0.20548`
= geq of `Al (OH)_(3)`
Weight of `Al (OH)_(3) = (0.20548 xx 78)/(3) = 5.342g = 5342mg`
`:.` No of tablets `=(5342)/(400) = 13.35 = 14`

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