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Why is it necessary to specify that Mg(OH)2 is da only constituent with acid-base properties for this question?

julia.s

wrote...

Posts: 79

Rep:

12 years ago

Why is it necessary to specify that Mg(OH)2 is da only constituent with acid-base properties for this question?

A certain pharmaceutical company produces a medication that contains 40.0 mg of magnesium hydroxide, Mg(OH)2 per ml. This is the only constituent of the preparation with acid-base properties.

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buglitter

wrote...

#1

12 years ago

Hi
So that you can work out the concentration of the magnesium hydroxide, the concentration of hydroxide ions, and hence the pH; knowing that nothing else (in the preparation) with affect the pH value.

Remember that the idea of the preparation is to eat/drink it so that you get an acid-base reaction once it meets the stomach acid.

Hope that helps

jules78245

wrote...

#2

12 years ago

I imagine this is a formulation for an antacid. Magnesium hydroxide could be the only active ingredient in the medication.

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