When aspirin (an acid) is in the stomach (an acidic environment), what may be said of the aspirin molecules

saraalalwane

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2022-09-11

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When aspirin (an acid) is in the stomach (an acidic environment), what may be

said of the aspirin molecules?

Most molecules will be un-ionised and therefore able to be pass through the stomach mucosa.
Most molecules will be ionised and therefore able to be pass through the stomach mucosa.
Most molecules will be un-ionised and therefore NOT able to be pass through the stomach mucosa.
Aspirin will be in the form of its salt and therefore able to be pass through the stomach mucosa.

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saraalalwane

2022-09-11

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A: Aspirin in an acidic environment will be in its molecular form

(and un-ionised). This makes it soluble in non-polar media like the plasma

membrane (which is lipid). Being soluble in lipid, molecular aspirin is able to

be absorbed from the stomach.

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