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pshichka [43]
3 years ago
7

Which of the following compounds is an electrolyte?

Chemistry
2 answers:
docker41 [41]3 years ago
8 0
The best and most correct answer among the choices provided by the question is the second choice , b. sodium hydroxide .
Hope my answer would be a great help for you.    If you have more questions feel free to ask here at Brainly.
Vera_Pavlovna [14]3 years ago
7 0

Answer: Option (b) is the correct answer.

Explanation:

A compound when dissolved in a liquid or solution dissociates into ions then it is known as an electrolyte.

An ionic compound will always be an electrolyte.

For example, sodium hydroxide being an ionic compound will readily dissociate into ions when dissolved in water.

Hence, sodium hydroxide is able to conduct electricity. Therefore, it is an electrolyte.

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Is mayonnaise an element compound solution or colloids
Alenkinab [10]
The answer to your question is mayonnaise is colloids.
5 0
3 years ago
Read 2 more answers
Which is the correct empirical formula for C6H1206?
Bas_tet [7]

Explanation:

the correct empirical formula for C6H12O6 is CH2O...

hope it will help....

8 0
2 years ago
Diphosphorus pentoxide(P2O5) reacts with water to form phosphoric acid, a major industrial acid. In the laboratory, the oxide is
Akimi4 [234]

Answer: The mass of 4.65\times 10^{22} molecules of phosphorus pentoxide is 20.5 g

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given molecules}}{\text {avogadro's number}}=\frac{4.65\times 10^{22}}{6.023\times 10^{23}}=0.0772moles

1 mole of P_2O_5 weigh =  283.9 g

Thus 0.0772 moles  of P_2O_5 weigh = \frac{283.9}{1}\times 0.0722=20.5g

Thus the mass of 4.65\times 10^{22} molecules of phosphorus pentoxide is 20.5 g

3 0
3 years ago
An increase in the temperature of a liquid decreases the rate of<br> evaporation, true or false?
LekaFEV [45]

Answer:

False

Explanation:

The increase in the temperature of a liquid also increases the rate of evaporation, as the same for the other way around.  As intermolecular force increase rate of evaporation decreases. This happens because intermolecular force make it less likely for the molecules on the surface to escape from liquid and become vapour gas. As temperature increases rate of evaporation increases.

6 0
3 years ago
Asapp please
guapka [62]

The empirical and  molecular formula : C₂₁H₂₂N₂O₂

<h3>Further explanation</h3>

Given

The percent composition of an unknown substance is 75.42% Carbon, 6.63 % Hydrogen, 8.38 % Nitrogen, and 9.57 % Oxygen

Required

The empirical and  molecular formula

Solution

C : 75.42 : 12 = 6.285

H : 6.63 : 1 = 6.63

N : 8.38 : 14 = 0.599

O : 9.57 : 16 = 0.598

Divide by 0.598

C : H : N : O = 10.5 : 11 : 1 : 1 = 21 : 22 : 2 : 2

The empirical formula : C₂₁H₂₂N₂O₂

(C₂₁H₂₂N₂O₂)n = 334

(334)n=334

n = 1

8 0
2 years ago
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