The hydronium ion concentration can be found from the pH by the reverse of the mathematical operation employed to find the pH. [H3O+] = 10-pH or [H3O+] = antilog (- pH).

I hope what I just explained is enough .

7 0

3 years ago

Which law represents a balanced chemical equation?

Nastasia [14]

Answer:

Law of Conservation of Mass

Explanation:

Balancing chemical equation means that the amount of moles of one atom on side must match the other, which makes sure that no atoms are created nor destroyed in the reaction process.

5 0

3 years ago

The number of Joules needed to raise the temperature of 10 grams of water from 20°C to 30°C is

e-lub [12.9K]

Answer:

418 Joules

Explanation:

Q=10(4.18)(10)

6 0

3 years ago

If you move 50 meters in 10 seconds, what is your speed? Givens: d= t= Unknown: Formula: Plug in: Solve:

marta [7]

Answer:

$\huge\boxed{5 \ m/s}$

Explanation:

Given:

Distance = S = 50 m

Time = t = 10 secs

Unknown:

Speed = v = ?

Formula:

v = S/t

Plug In:

S = 50 m , t = 10 secs

Solution:

v = 50 m / 10 secs

v = 5 m/s

Hope this helped!

<h2>~AnonymousHelper1807</h2>

6 0

3 years ago