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Ne4ueva [31]
3 years ago
9

What are the standard ways to make a solution of known concentration? (select all that apply.)?

Chemistry
1 answer:
MatroZZZ [7]3 years ago
8 0

1- Molar solutions: based on number of moles of chemical in 1 litre of solution

2- Weight % solution:  the weight of chemical divided by the total weight of the solution (chemical + water) and multiplied by 100.

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10 Points
slamgirl [31]

Answer:

D

Explanation:

The indivisibility of an atom was proved wrong an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions......

hope i helped

pls mark brainliest,,,,,thanks

5 0
2 years ago
When one atom of carbon reacts with two atoms of oxygen, they combine to form one molecule of carbon dioxide. How many atoms of
tankabanditka [31]

The equation is: C+O2=>CO2

Since we got 10 molecules of CO2 new balanced equation would be 10C+10O2=>10CO2

from this equation we can see that we have 10 molecules of oxygen, however ,we need to find atoms. There are 2 atoms in the oxygen molecule so we need to multiply 10 by 2 which gives us 20 atoms.

The answer: there are 20 atoms of oxygen

4 0
3 years ago
Pls Help me I am stuck on this question.​
kolbaska11 [484]

Answer:

compound is the answer

4 0
3 years ago
Help me please, will give brainly
geniusboy [140]

I don’t know sorry :(
6 0
3 years ago
Read 2 more answers
suppose you are testing the buoyancy of different objects . study the table and choose object with the greatest buoyant force
Alika [10]
The formula to calculate buoyant force (FB) states that the upward force exerted on an immersed object is equal to the density (ρ ) of the fluid multiplied by both the fluid’s displaced volume (V) and the gravitational acceleration (g), or
FB = ρ x V x g.<span> 
I hope that helped with what you're doing. 
You can also try water displacement in a graduated cylinder.</span>
7 0
3 years ago
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