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SVETLANKA909090 [29]
3 years ago
7

What is the ph of a solution with [h3o ] = 2. 3 x 10-4 m

Chemistry
1 answer:
guapka [62]3 years ago
7 0

The pH of a solution with [H₃O⁺] = 2.3 × 10⁻⁴M is 3.64 means the solution is acidic in nature.

<h3>How do we define pH?</h3>

pH of any solution is define as the negative logarithm of the concentration of hydronium ion as:

pH = -log[H⁺]

Given that concentration of H₃O⁺ or H⁺ = 2.3 × 10⁻⁴M

On putting values, we get

pH = -log(2.3 × 10⁻⁴)

pH = -(-3.64) = 3.64

Hence required pH value is 3.64.

To know more about pH, visit the below link:

brainly.com/question/172153

#SPJ4

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Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under
Radda [10]

Answer:

O Charles's law .

Explanation:

Hello!

In this case, since the use of gas laws leads to a good comprehension of how gases behave towards volume, pressure and temperature, we can review that the Boyle's law explains the pressure-volume variation, the Dalton's law the partial pressure effect, the Gay-Lussac's law that of pressure and temperature and the Charles' that of temperature and volume at constant pressure; thus, the answer for the asked question is:

O Charles's law

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8 0
3 years ago
Solid nickel reacts with aqueous lead (II) nitrate to form solid lead. What is the net ionic equation for this reaction? • Hint:
hammer [34]

Answer:

Pb²⁺(aq) --> Ni²⁺(aq)

Explanation:

The equation of the reaction is given as;

Ni(s) + Pb(NO₃)₂(aq) --> Pb(s) + Ni(NO₃)₂(aq)

In writing the ionic equation, we break the aqueous compound into ions. The solid and liquid compounds are ignored.

We have;

Pb²⁺(aq)  + NO₃²⁻(aq) -->  Ni²⁺(aq)  + NO₃²⁻(aq)

Canceling the spectator ions;

Pb²⁺(aq) --> Ni²⁺(aq)

5 0
3 years ago
100g of radioactive mass has a half life of 5 days. Calculate the mass decayed off after 15 days
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... mass has half life of 5 days. Calculate the mass decayed off after 15days? In Chemistry 2 Answers Available Asked by Miss Flawless on 7th July, 2018.

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Select the correct answer. Which statement is true of a chemical change? A. It involves changes in the molecular structure. B. I
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I think the answer is something within..
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When the following equation is balanced, what is the lowest whole-number coefficient for SO2? ____ HBrO3(aq) + ____ SO2(g) + ___
lakkis [162]

Answer : The lowest whole-number coefficient for SO_2 is, 5

Explanation :

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

If the amount of atoms of each type on the left and right sides of a reaction differs then to balance the equation by adding coefficient in the front of the elements or molecule or compound in the chemical equation.

The coefficient tell us about that how many molecules or atoms present in the chemical equation.

The given unbalanced chemical reaction is,

HBrO_3(aq)+SO_2(g)+H_2O(l)\rightarrow Br_2(aq)+H_2SO_4(aq)

This reaction is an unbalanced chemical reaction because in this reaction number of hydrogen, bromine and oxygen atoms are not balanced.

In order to balance the chemical equation, the coefficient '2' put before the HBrO_3, the coefficient '5' put before the SO_2\text{ and }H_2SO_4 and the coefficient '4' put before the H_2O and we get the balanced chemical equation.

The balanced chemical reaction will be,

2HBrO_3(aq)+5SO_2(g)+4H_2O(l)\rightarrow Br_2(aq)+5H_2SO_4(aq)

Thus, the lowest whole-number coefficient for SO_2 is, 5

8 0
3 years ago
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