Question

pls pls tell the answer fast I will mark u as brainlist ​

Answer 1

Answer:

1) The mole is the unit of measurement for amount of substance in the International System of Units. A mole of a substance or a mole of particles is defined as containing exactly 6.02214076×10²³ particles, which may be atoms, molecules, ions, or electrons

2) In chemistry, the molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles. ... In the International System of Units (SI), the base unit of molar mass is kg/mol.

3) Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.

4) Separation techniques are those techniques that can be used to separate two different states of matter such as liquid and solid. Such separation techniques include filtration or evaporation.

5) d–121grams of NA2CO3