Question

i) how many particles are present in 1 mole of a substance ii) this number of particles is known an blanks constant​

Answer 1

Explanation:

1 mole contains 6.023×10 ^23

also known as Avogardo's number

Answer 2

Answer:

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant. The concept of the mole can be used to convert between mass and number of particles