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Anna [14]
3 years ago
12

What are the spectator ions in the reaction:

Chemistry
1 answer:
tester [92]3 years ago
5 0

The spectator ions are:

K⁺ and SO₄⁻

Explanation:

We have the following chemical equation:

2 KOH (aq) + H₂SO₄ (aq) →  K₂SO₄ (aq) + 2 H₂O (l)

The ionic equation is:

2 K⁺ (aq) + 2 OH⁻ (aq) + 2 H⁺ (aq) + SO₄⁻ (aq) → 2 K⁺ (aq) + SO₄⁻ (aq) + 2 H₂O (l)

where:

(s) - solid

(l) - liquid

(aq) - aqueous

The spectator ions are the ones that are found in the both sides of the reaction:

K⁺ and SO₄⁻

Learn more about:

ionic equations

brainly.com/question/7018960

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Answer:

B. Most potential energy

Explanation:

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3 0
3 years ago
What volume of an hcl solution with a ph of 1.3 can be neutralized by one dose of milk of magnesia?
kvv77 [185]

274 mL H3 O+ and fully neutralized

It will take one teaspoon of Mg(OH)2 to completely neutralize 2.00×10^2mL  of H3O+.

<h3>What is the purpose of milk of magnesia?</h3>
  • For a brief period of time, this medicine is used to relieve sporadic constipation.
  • It is an osmotic laxative, which means that it works by drawing water into the intestines, which aids in causing bowel movement.
<h3>What dosage of milk of magnesia is recommended for constipation?</h3>
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the question you are looking for is

People often take milk of magnesia to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 teaspoon, which contains 4.00x 10^{2} mg of Mg(OH)_2. What volume of an HCl solution with a pH of 1.3 can be neutralized by one dose of milk of magnesia? If the stomach contains 2.00x10^{2}mL of pH 1.3 solution, is all the acid neutralized? If not, what fraction is neutralized?

7 0
1 year ago
Radioactive decay can be described by the following equation where is the original amount of the substance, is the amount of the
soldi70 [24.7K]

Answer:

Iron remains = 17.49 mg

Explanation:

Half life of iron -55 = 2.737 years (Source)

t_{1/2}=\frac {ln\ 2}{k}

Where, k is rate constant

So,  

k=\frac {ln\ 2}{t_{1/2}}

k=\frac {ln\ 2}{2.737}\ year^{-1}

The rate constant, k = 0.2533 year⁻¹

Time = 2.41 years

[A_0] = 32.2 mg

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

So,  

[A_t]=32.2\times e^{-0.2533\times 2.41}\ mg

[A_t]=32.2\times e^{-0.610453}\ mg

[A_t]=17.49\ mg

<u>Iron remains = 17.49 mg</u>

8 0
3 years ago
How can a scientist make sure that the results are not a mistake in an experiment?
olga55 [171]
Repeat trials multiple times
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A company is developing a new type of airplane that can take off like a helicopter. Before they begin manufacturing the airplane
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3 years ago
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