_________ is caused by deficiency of Vitamin A

Chemistry

2 answers:

ivann1987 [24]3 years ago

4 0

Answer:

eye weakness is caused by deficiency of vitamin A

o-na [289]3 years ago

3 0

Answer:

Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders.

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If a weak acid is 25 deprotonated at ph 4 what would the pka be

elena-s [515]

4.48

pH=pKa+log([A-/HA])

25% deprotonated tells us that A- is .25 and that the rest (75% is protonated) thats .75.

4 = pKa + log \frac{.25}{.75}

4 - log \frac{.25}{.75} = pKa

4.48=pKa

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How can erode soil affect the body of water. ASAP

Murrr4er [49]

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Zinaida [17]

Answer: Number of molecules of hydrogen gas $6.32\times 10^{32}$

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