The gram-formula mass of NO2 is defined as the mass of

2 answers:

4 0

The correct answer is (1) one mole of NO2.

The gram formula mass is also known as the molar mass and is defined by the mass over one mole of a substance.

Hope this helps~

Alika [10]3 years ago

3 0

Correct answer is 1 - one mole of NO2 .

Gram formula mass can be defined as the mass of 1 mole (6.022 x 10²³ particles) of compound in grams. This is similar to molar mass. Gram formula mass is also calculated by adding the total mass of each element present in the given formula.

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Determina el pH del café cuya concentración de H+ es de 0.00001M

lara31 [8.8K]

Answer:

Explanation:

Given parameters:

Hydrogen ion concentration = 0.00001M

Unknown:

pH of the solution =?

Solution:

The pH is used to estimate the degree of acidity or alkalinity of a solution. To solve for pH of any solution, we use the expression below;

pH = -log [H⁺]