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Lemur [1.5K]
3 years ago
15

The structure of an atom is

Chemistry
1 answer:
kirill115 [55]3 years ago
5 0

Answer:

Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

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Calculate the Molarity when a 6.11 mL solution of 0.1 H2SO4 is diluted with 105.12 mL of water
barxatty [35]

Molarity after dilution : 0.0058 M

<h3>Further explanation </h3>

The number of moles before and after dilution is the same  

The dilution formula

 M₁V₁=M₂V₂

M₁ = Molarity of the solution before dilution  

V₁ = volume of the solution before dilution  

M₂ = Molarity of the solution after dilution  

V₂ = Molarity volume of the solution after dilution

M₁=0.1 M

V₁=6.11

V₂=105.12

\tt M_2=\dfrac{M_1.V_1}{V_2}=\dfrac{0.1\times 6.11}{105.12}=0.0058~M

5 0
3 years ago
What is the answer??????? will mark brainliestt!!!!!!!!!!!!
olasank [31]

Answer:

D

Explanation: The heat of the water rapidly speed up the process

6 0
3 years ago
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Calculate the density of 30 cubic centimeters of liquid that has a mass of 120 grams.
-BARSIC- [3]

Answer:

<h2>4 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{120}{30}  =  \frac{12}{3}  \\

We have the final answer as

<h3>4 g/cm³</h3>

Hope this helps you

8 0
3 years ago
A student needs to make a solution of 308 mL of 0.02 M of Copper (II) Sulfate. All they have available is a solution of 0.250 M.
marysya [2.9K]

Answer:

this link not hacl belive me

https://www.flinnsci.com/api/library/Download/18ce587821c24fb3b0ad7d878bd6a3d9Explanation:

5 0
3 years ago
An atom consits of electrons, protons
Svetach [21]

Answer:

electron: orbiting around the nucleus

proton: inside the nucleus

neutron: inside the nucleus

7 0
3 years ago
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