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3 years ago

Which of the following statements correctly distinguishes between an acidic and a basic solution?

2 answers:

7 0

An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions statement correctly distinguishes between an acidic and a basic solution

natka813 [3]3 years ago

4 0

Answer:

The correct answer is option C. An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions.

Explanation:

Hello!

Let's solve this!

Acids are substances that only contain hydrogen ions, also the pH is less than 7. A base is a substance that contains hydroxide ions and a pH greater than 7.

After the analysis, we conclude that the correct answer is option C. An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions.

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What is the concentration, in m/v percent, of a solution prepared from 50 g NaCl and 2.5 L of solution?

Serjik [45]

When we convert the given mass in grams and volume in liters to m/v percent, we recall that m/v percent is expressed as grams/100 milliliters. In this case the expression becomes (50 grams/ 2500 L)*(0.1L/100ml), that is equal to 0.002 grams/ 100 mL. Hence the the concentration is equal to 0.2 m/v percent.

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3 years ago

10) One mole of a diatomic ideal gas is initially at a temperature of 127 °C and

Vladimir79 [104]

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3 years ago

What happens to a water bottle in a freezer and why

Andrews [41]

The water well begin to freeze and turn into soild. why? because the temperature of the the freezer is getting the water bottle cold so when that cold temperature hits that that bottle which has liquid in it so you should know that when liquid is into cold air it well so be soild so when you put the water bottle in the freezer it will be soild.
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5 0

3 years ago

A first order reaction has a rate

EleoNora [17]

Answer:

one-half

Explanation:

cuz for a first order reaction is a half life independent of concentration and constant over time

4 0

3 years ago

HNO3 + S --> H2SO4 + NO Now identify the element oxidized and the element reduced. Which element is oxidized? Which element i

OleMash [197]

Answer: S is getting oxidized, N is getting reduced and O and H undergo no oxidation or reduction

Explanation:

The oxidation reaction is defined as the reaction in which a chemical species loses electrons in a chemical reaction. It occurs when oxidation number of a species increases.

A reduction reaction is defined as the reaction in which a chemical species gains electrons in a chemical reaction. It occurs when oxidation number of a species decreases.

For the given chemical reaction:

$HNO_3+S\rightarrow H_2SO_4+NO$

On the reactant side:

Oxidation number of H = +1

Oxidation number of N = +5

Oxidation number of O = -2

Oxidation number of S = 0

On the product side:

Oxidation number of H = +1

Oxidation number of N = +2

Oxidation number of O = -2

Oxidation number of S = +6

As the oxidation number of S is increasing from 0 to +6. Thus, it is getting oxidized. Similarly, the oxidation number of N is decreasing from +5 to +2. Thus, it is getting reduced.

The oxidation numbers of O and H remain the same on both sides of the reaction. Thus, they are neither getting oxidized or reduced.

Hence, S is getting oxidized, N is getting reduced and O and H undergo no oxidation or reduction

3 0

3 years ago