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steposvetlana [31]
3 years ago
10

Write the name and formula for the chemical substance which is produced in most acid-base neutralization reactions

Chemistry
1 answer:
Minchanka [31]3 years ago
7 0
Acid + base gives you salt and H2O
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Can you please help me with this?
miskamm [114]

Answer:

they become water vapor and after that, they become a type of precipitation

8 0
2 years ago
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74.5 g of KCl was dissolved in 1000. mL of water. What is the
Degger [83]
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3 years ago
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The solubility of lead(ii) chloride is 0.45 g/100 ml of solution. what is the ksp of pbcl2? 4.9 × 10-2 1.7 × 10-5 8.5 × 10-6 4.2
Artyom0805 [142]
Answer:
1.7 * 10^-5

Explanation:
1- get the number of moles of PbCl2:
number of moles = mass / molar mass
number of moles = 0.45 / 278.1 = 1.618 * 10^-3 moles

2- get the concentration of Pb2+:
molarity = number of moles of solute / volume of solution in liters
molarity = (1.618 * 10^-3) / (0.1) = 0.0162 M

3- getting concentration of Cl-:
<span>PbCl2(s) <==> Pb2+(aq) + 2Cl-(aq) 
</span>We can note that:
For a certain amount of Pb2+ formed, twice this amount of Cl- is formed.
This means that:
for 0.0162 M of Pb2+, 2*0.0168 = 0.0324 M of Cl- is formed

4- getting Ksp:
Ksp = [Pb2+][Cl-]²
Ksp = (0.0162)*(0.0324)²
Ksp = 1.7 * 10^-5

Hope this helps :)
7 0
3 years ago
Is fireworks exploding a chemical change?
zalisa [80]

Answer:

Yes

Explanation:

The fireworks explode

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3 years ago
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Brainllest! Why are they called hot air balloons and not cold air balloons? Be sure to use the terms density, volume, and mass i
Feliz [49]
Hot air balloons have hot air inside them, which is less dense as the air around it. Thus it rises. A cold air balloon would sink because the air would be more dense than the air around it. Also, the balloon’s volume would vary in size depending on the weight of the balloon.
7 0
3 years ago
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