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Art [367]
3 years ago
5

What can you infer from the fact that metals are good conductors of electricity?

Chemistry
2 answers:
Harlamova29_29 [7]3 years ago
6 0
B would be the best answer.
choli [55]3 years ago
3 0

Answer:

B

Explanation:

makes sense

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Arada [10]

Answer:

Yes it is

Explanation:

3 0
3 years ago
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A chemist combined 0.440 L of an unknown calcium solution with an excess of ammonium chromate. This resulted in the precipitatio
Rina8888 [55]

The concentration of the original calcium ions is 0.005 M

<h3>What is concentration?</h3>

The term concentration has to do with the amount of substance in solution. We know that the concentration can be measured in a lot of units such as mole/litre, grams per litre, percentage and so on.

As such we have the equation;

Ca^2+(aq) + (NH4)2CrO4(aq) --------> CaCrO4(s) + 2NH4^+(aq)

Number of moles of the precipitate = 346.7 * 10^-3 g/156 g/mol

= 0.0022 moles

Now;

1 mole of Ca^2+ produces 1 mole of CaCrO4 hence 0.0022 moles of CaCrO4 was produced by  0.0022 moles of CaCrO4.

Given that the volume of the solution is  0.440 L, the concentration of the solution is;   0.0022 moles/0.440 L

= 0.005 M

Learn more about molarity:brainly.com/question/8732513

#SPJ1

6 0
1 year ago
Gold (au) goes from an oxidation number of +3 to 0 in the reaction below. 2Au3+ + 6I- ---&gt; 2Au + 3I2. what describes the Au3+
mamaluj [8]
In a reduction-oxidation or better known as REDOX reaction, the substance that reduces the oxidation state is known as the substance that is REDUCED. It serves as the oxidizing agent. Thus, Au3+  in this number is considered as the oxidizing agent. 
7 0
3 years ago
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What should be ph-value to be strong acid?
irakobra [83]

<em>what should be ph-value to be strong acid?</em>

<em>what should be ph-value to be strong acid?</em><em>c</em><em>.</em><em> Less than </em><em>2</em><em>.</em><em>.</em><em>.</em><em>.</em>

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3 years ago
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Help please asap will mark brainliest!
Fynjy0 [20]

Answer:

28.466256

Explanation:

3 0
3 years ago
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