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Lyrx [107]
3 years ago
5

How do you know that an acid based reaction is completely neutralized?

Chemistry
1 answer:
Dovator [93]3 years ago
8 0

Answer:

When an acid and a base react with each other, a neutralization reaction occurs, forming a salt and water. The water forms from the combination of the H + ions from the acid and the OH - ions from the base. Strong acids and strong bases completely dissociate, so the reaction yields a solution with a neutral pH (pH = 7).

Explanation:

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An organism that breathes with its lungs, lays eggs and has feathers is a bird!
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Calcium carbonate forms limestone, one of the most common rocks on Earth. It also forms stalactites, stalagmites, and many other
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Answer:  CaCO_3(s)\rightarrow CaO(s)+CO_2(g) , 0.533 L

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

According to avogadro's law, 1 mole of every substance occupies 22.4 L of volume at STP.

Number of moles =\frac{\text {given mass}}{\text {Molar mass}}

moles of calcium carbonate = \frac{2.38g}{100g/mol}=0.0238mol

As 1 mole of calcium carbonate produces = 22.4 L of carbon dioxide at STP

Thus 0.0238 moles of calcium carbonate produces =\frac{22.4 L}{1}\times 0.0238=0.533L of carbon dioxide at STP

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