Which of the following is true?
a. A neutral solution contains [H₂O] = [H₃O⁺]
b. A neutral solution does not contain any H₃O⁺ or OH⁻
c. An acidic solution has [H₃O⁺] > [OH⁻]
d. A basic solution does not contain H₃O⁺
e. All statements are false

The true answer is E.

Explanation: It's the correct answer because

A. It's false because a neutral solution contains the same concentration of acid and base. In this ecuation doesn't have the acid which react with the water to produce H3O+

For example: HCl + H2O = Cl- + H3O+

B. A neutral solution must contain H3O+ or OH- in equal concentrations to equilibrate the way

C. An acidic solution has [OH-] > [H3O+], the negative charge from OH- in high concentrations is which provide acidic solution.

D. A basic solution does contain H3O+, in high concentrations than acidic solutions.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.  

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds