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Liula [17]
3 years ago
15

What is Co³⁺ and Co¹⁺

Chemistry
1 answer:
WITCHER [35]3 years ago
6 0

Answer:

https://clever.com/

Explanation:

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A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?
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Answer:

protons+neutrons = atomic mass

11+12 = 23

so the element which has an atomic mass of 23 is

<h2>Sodium (Na)</h2>

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When gasses are heated the average velocity (speed) of the gas particles decreases.
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I think that would be true!
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Describe how you would prepare 350 ml of 0.100 m c12h22o11 starting with 3.00l of 1.50 m c12h22o11
Leona [35]

To prepare 350 mL of 0.100 M solution from a 1.50 M solution, we simply have to use the formula:

M1 V1 = M2 V2

So from the formula, we will know how much volume of the 1.50 M we actually need.

 

1.50 M * V1 = 0.100 M * 350 mL

V1 = 23.33 mL

 

So we need 23.33 mL of the 1.50 M solution. We dilute it with water to a volume of 350 mL. So water needed is:

350 mL – 23.33 mL = 326.67 mL water

 

 

Steps:

1. Take 23.33 mL of 1.50 M solution

<span>2. Add 326.67 mL of water to make 350 mL of 0.100 M solution</span>

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The table below shows the number of sub-atomic particles in an atom of magnesium.
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