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Bad White [126]
2 years ago
5

Please help me out with this question

Chemistry
2 answers:
grigory [225]2 years ago
3 0
C. Electrical conductivity, that means it can pass electricity through wires if needed, think of your phone charger as an example
Allisa [31]2 years ago
3 0

Answer:

c hope this helps

Explanation:

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A student takes a sample of KOH solution and dilutes it with 100.00 mL of water. The student determines that the diluted solutio
Firlakuza [10]

Answer:

2.2mL

Explanation:

First, let us analyse what was given from the question:

C1 = 2.09M

V1 =?

C2 = 0.046M

V2 =100mL

Using dilution formula (C1V1 = C2V2), we can calculate the volume of the original solution as follows:

C1V1 = C2V2

2.09 x V1 = 0.046 x 100

Divide both side by the coefficient of V1 ie 2.09, we have:

V1 = (0.046 x 100) / 2.09

V1 = 2.2mL

8 0
3 years ago
Starting with lead (ii) carbonate describe how a solid sample of lead (ii) sulphate can be prepared
tatuchka [14]

The preparation of lead (ii) sulphate from lead (ii) carbonate occurs in two steps:

  1. insoluble lead carbonate is converted to soluble lead (ii) nitrate
  2. soluble lead (ii) nitrate is reacted with sulphuric acid to produce lead (ii) sulphate.

<h3>How can a  solid sample of lead (ii) sulphate be prepared from lead (ii) carbonate?</h3>

Lead (ii) carbonate and  lead (ii) sulphate are both insoluble salts of lead.

In order to prepare lead (ii) sulphate, a two step process is performed.

In the first step, Lead (ii) carbonate is reacted with dilute trioxonitrate (v) acid to produce lead (ii) nitrate.

  • PbCO₃ + 2HNO₃ → Pb(NO₃)₂ + CO₂ + H₂O

In the second step, dilute sulfuric acid is reacted with the lead (ii) nitrate to produce insoluble lead (ii) sulphate which is filtered and dried.

  • Pb(NO₃)₂ + H₂SO₄  →  PbSO₄ + 2HNO₃

In conclusion, lead (ii) sulphate is prepared in two steps.

Learn  more about lead (ii) sulphate at: brainly.com/question/188055

#SPJ1

4 0
2 years ago
what is the main 'impurity' collected with the oil in distillation. PLEASE HELP IM IN END OF YEAR EXAM. II WILL GIVE BRAINLIEST
Zigmanuir [339]

Answer:

I think it is sulfur

Explanation:

5 0
3 years ago
I need this very fast so please answer this first! I will mark you as the Brainiest and put my max points so please hurry!!!
Korolek [52]

Answer:

Answer C

Explanation:

Heat is used to turn the solid ice into liquid water

3 0
3 years ago
Read 2 more answers
Which of the following types of mixtures exhibit the Tyndall effect?
Alekssandra [29.7K]
<span>C) <u>Colloids</u></span><span>

Colloids have small non-dissolved particles that flow around in the mixture. These particles do not settle over time. When a light is shined on colloids the scattering characteristic of the Tyndall effect are visable.</span>
4 0
3 years ago
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