Quantitative Chemistry

Question 1

Describe mole as:

Answer 1

The SI unit for amount of substance.

One mole contains Avogadro’s number of particles.
(𝑁 𝐴 = 6,02 × 1023 𝑝𝑎𝑟𝑡𝑖𝑐𝑙𝑒𝑠. 𝑚𝑜𝑙𝑒−1)

Question 2

Molar mass:

Answer 2

The mass, in gram, of one mole of that substance.

Question 3

Molar volume:

Answer 3

1 mole of gas occupies 22,4 𝑑𝑚3 at 0 0C (273 K) and at
1 atmospheric pressure (101,3 kPa).

Question 4

Solution:

Answer 4

Homogeneous mixture of solute and solvent

Question 5

Solute:

Answer 5

The substance that is dissolved in the solution.

Question 6

Solvent:

Answer 6

The substance in which another substance is dissolved, forming a solution.

Question 7

Concentration:

Answer 7

The amount of solute per unit volume of solution

Question 8

Standard Solution:

Answer 8

A solution of known concentration

Question 9

Yield:

Answer 9

A measure of the extent of a reaction, generally measured by comparing the amount of product against the amount of product that is possible.