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Usimov [2.4K]
3 years ago
6

What vitamin is produced by a mammalian skin?

Chemistry
1 answer:
Contact [7]3 years ago
7 0
It is Vitamin D, hope that helps
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The metal sodium is obtained by electrolysis of common table salt (sodium chloride, nacl). how much sodium chloride needs to be
Bogdan [553]
Solve first for the number of moles of sodium given that the mass is 2500 g by dividing the given mass by the molar mass of sodium. 
                         moles sodium = 2500 g / 23 g/mol
                               moles sodium = 108.7 moles
Since in every mole of NaCl, there is only one mole of sodium then, we conclude that there are also 108.7 moles of NaCl. Multiplying the number of moles to the molar mass of sodium chloride (58.44), the answer would be 6,352.17 grams.
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3 years ago
How has the work of chemists advanced cancer treatment?​
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Answer:

C

Explanation:

it wouldn't be A because that makes no sense

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(It could be c or d)

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A. Filtration

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60.0 mL of 0.0100 M H3PO4 are required to neutralize 30.0 mL of a solution of KOH. What is the molarity of the potassium hydroxi
Vsevolod [243]

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Does the amount of a substance affect the properties of a substance?
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