Answered

While the active ingredients in most antacids are soluble in the acidic
environment of the stomach, their solubility is significantly reduced in pure
water. If a very finely ground powder of one such compound (CaCO3, for
example) is mixed in a 1:5 ratio by mass with deionized water, which of the
following is mostly likely true?
1. The mixture will be homogeneous
II. A colloidal mixture will be formed
III. Separation of the mixture will produce a non-electrolytic aqueous phase
O A. I only
OB. III only
OC. I and II only
OD. II only



Answer :

GinnyAnswer

Final answer:

Antacids with low solubility in water, like CaCO3, form a homogeneous mixture when finely ground and mixed with deionized water.


Explanation:

Solubility of Antacids in Water: The solubility of antacids like CaCO3 is low in pure water but higher in acidic environments like the stomach due to increased acidity.

Outcome of Mixing with Water: When a finely ground powder of CaCO3 is mixed in a 1:5 ratio with deionized water, the mixture will be homogeneous due to the low solubility of CaCO3 in water.

Formation of Colloidal Mixture: A colloidal mixture is unlikely to be formed as the solubility of CaCO3 in water is significantly reduced.


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