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VikaD [51]
3 years ago
14

Psoriasis is a disease that causes a red rash on the skin. which body system does psoriasis affect?

Chemistry
1 answer:
damaskus [11]3 years ago
8 0

Answer:

It is b

Explanation:

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Consider the reaction.
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Answer: m = 50 g ZnSO4

Explanation: First is convert the moles of Zn to the moles of ZnSO4 by having their mole ratio which is 2:2 based from the balanced equation. Next is convert the moles of ZnSO4 to mass using its molar mass.

0.311 mole Zn x 2 moles ZnSO4 / 2 moles Zn

= 0.311 moles ZnSO4

0.311 moles ZnSO4 x 161 g ZnSO4 / 1 mole ZnSO4

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5 0
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