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Degger [83]
3 years ago
13

What’s the answer to these 3 questions? thanks!

Chemistry
1 answer:
Citrus2011 [14]3 years ago
4 0
Water has h bonding
H-H
Sodium fluoride
I think
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Which of these trends increase as you go from top to bottom on the Periodic Table? Select all that apply.
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thats what helped me remember it, so i hope this technique could help you too.

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Read 2 more answers
How many micrograms of iron were in the 8.0 mL sample of Greg's blood?
Alenkinab [10]
Answer is: there is 3,36 micrograms of iron in <span>sample of Greg's blood.
</span>m(Fe) = 42 mcg(micrograms).
V(Fe) = 1 dL = 1 dL · 100 mL/1dL.
V(Fe) = 100 mL.
Make proportion: m(Fe) : 8 mL = 42 mcg : 100 mL.
100 mL · m(Fe) = 8 mL · 42 mcg.
m(Fe) = 336 mL·mcg ÷ 100 mL.
m(Fe) = 3,36 mcg.
4 0
3 years ago
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