Question

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Answer 1

Mole (unit) Mole is the SI unit of measurement used to measure the number of things, usually atoms or molecules. One mole of something is equal to Avogadro's number. ... Scientists use this number because it is the number of carbon atoms in 12 grams of carbon-12, which is the most common kind of carbon.

Answer 2

Ans 6) i) aluminium sulphate

ii) calcium carbonate

iii)potassium sulphate

iv)calcium chloride

v)potassium nitrate

vi)Magnesium hydroxide

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