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Len [333]
3 years ago
11

Why must a chemistry experiments performed in a well ventilated room?

Chemistry
1 answer:
Elina [12.6K]3 years ago
4 0
The best answer would be because there might be an accident.
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What is always true of a weak base?
HACTEHA [7]

Answer:

Your answer would be C.

Explanation:

A weak base is a base that upon dissolving in water, <u>does not dissociate</u> <u>completely</u>.

--------------------------------------------

I hope this helps you!

Have a great day! :)

5 0
3 years ago
Read 2 more answers
A water sample is found to contain 59 ppm
NeX [460]

Explanation:

k so basically u gotta do 59/1000000 then multiply that by 972 which gives u 0.057348

8 0
4 years ago
How many moles are in 2.8x10^23 atoms of Calcium?
Zielflug [23.3K]

Answer: 1 mole ➡️ 6.022×10²³ atoms of si.

X mole ➡️ 2.8×10²⁴ atoms of si.

X = 2.8×10×10²³/6.022×10²³

= 28/6.022

= 4.65 moles.

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8 0
3 years ago
How many elements are represented in the formula CaCO3
Vlada [557]

Answer:

3

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carbon(C)

oxygen(O)

hope u like it ‍❤️‍‍❤️‍‍

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5 0
4 years ago
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Which of the following is a direct result of hydrogen bonding?
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