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german
3 years ago
14

What is true of a strong acid? (3 points)

Chemistry
2 answers:
forsale [732]3 years ago
5 0
The answer is A it’s ionizes in water
Lorico [155]3 years ago
5 0

Answer: Option (a) is the correct answer.

Explanation:

A strong acid is an acid which completely dissociates into its ions in a solution.

For example, HCl is a strong acid and it dissociates as follows.

           HCl \rightleftharpoons H^{+} + Cl^{-}

Whereas a weak acid dissociates slightly into a solution.

Thus, we can conclude that it is true of a strong acid that it ionizes close to 100 percent in water.

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EleoNora [17]

Answer:

54 g

Explanation:

1 mole of water = H2O

mass of 1 mole of H2O= mass of h2 + mass of o

= 2× mass of h +mass of o

= 2×1+16 =18 g

1 mole of water = 18g

3moles of water = 18×3g= 54g

6 0
3 years ago
5. What could you do to convert from meters to centimeters? *
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C.

centi- is essentially 10^2 of one meter.

If you had 100m, multiplying 100 by 10^2 (or 100) would give you 10000 cm.

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3 years ago
Why do we have to balance chemical equations
Lunna [17]

Answer:

  • <em>Chemical equations are balanced </em><u>to comply with the law of conservation of mass.</u>

Explanation:

Law of conservation of mass states that matter cannot be either created or destroyed.

A skeleton chemical equation shows the reactants and products of a chemical reaction without taking into account the real proportion in which the reactants combine and the products are obtained.

An example of a skeleton reaction is the combustion of methane:

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Such as that equation is shown, there are four atoms of hydrogen in the reactants but only 2 atoms of hydrogen in the products. Also, there are 2 atoms of oxygen in the reactants but three atoms of oxygen in the products. This seems to show that some atoms of hydrogen have been destroyed and some atoms of oxygen have been created. This is impossible as it is against the law of conservation of matter.

Then, to show a real situation, the chemical equation of combustion must be balanced, adjusting the coefficients. This is the balanced chemical equation:

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Now you see that the number of atoms of each matter is conserved: the number of carbon atoms in each side is 1, the number of atoms of hydrogen in each side is 4, and the number of atoms of oxygen in each side is 4. Thus, by balancing the chemical equation, the law of conservation of mass is not violated.

7 0
3 years ago
How many grams of H3PO4 are produced when 10.0 moles of water react with an excess of P4O10?
vlada-n [284]

The answer is 653 g

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