Biology, asked by arulchristy293, 1 year ago

(i) Define mole. What are the two things that a mole represents?
​(ii) What weight of each element is present 1.5 moles of sodium sulphite, Na2SO3? (Atomic masses Na = 23u; S = 32 u; O = 16 u.)

Answers

Answered by Anonymous
0

Explanation:

The mole is the unit of amount in chemistry. ... A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C. Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned

the mole the link between the mass of atoms or molecules and the number of atoms or molecules. A group of6.022×10^23 particles ( atoms, molecules or ion's) of a substance is called ion of that substance

Answered by Anonymous
10

Answer:

Explanation:

The mole is the unit of amount in chemistry. ... A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C. Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned

the mole the link between the mass of atoms or molecules and the number of atoms or molecules. A group of6.022×10^23 particles ( atoms, molecules or ion's) of a substance is called ion of that substance

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