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Zolol [24]
3 years ago
13

Which part of the immune system can be "trained" using vaccines?

Chemistry
2 answers:
Ugo [173]3 years ago
8 0
The adaptive immune system, because it is more specific to the foreign substances in the body and adapts to remove or fight them
Ivanshal [37]3 years ago
4 0

Answer:

pathogens antigen mark me as brain list

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How many moles are in 7.8 g of acetamide, CH3CONH2?
atroni [7]

Answer:

.13 moles

Explanation:

To begin this problem:

First you need to find the molar mass of acetamide, to do so:

  • C=12g, H=1.008g, O=16g, and N=14g
  • 2(12)+5(1.008)+1(16)+1(14)=59.04

To find moles when given grams, we divide grams by the molar mass.

  • 7.8g/59.04g/mol=.13 moles

Using 2 sig figs from what we are given, this is our final answer.

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