What is meant by the term chemical formula?
(N/A) chemical formula of a compound (or element) is the symbolic representation of its composition. It represents:
$(i)$ The number and kind of atoms present per molecule of the compound.
$(ii)$ One mole of the compound.
$(iii)$ The molar mass of the compound.
$(i)$ The number and kind of atoms present per molecule of the compound.
$(ii)$ One mole of the compound.
$(iii)$ The molar mass of the compound.
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Similar Questions
Calculate the molar mass of the following substances.
$(a)$ Ethyne,$(C_2H_2)$
$(b)$ Sulphur molecule,$(S_8)$
$(a)$ Ethyne,$(C_2H_2)$
$(b)$ Sulphur molecule,$(S_8)$
Medium
View SolutionConvert the following into moles:
$(a)$ $12\, g$ of oxygen gas
$(b)$ $20\, g$ of water
$(c)$ $22\, g$ of carbon dioxide.
$(a)$ $12\, g$ of oxygen gas
$(b)$ $20\, g$ of water
$(c)$ $22\, g$ of carbon dioxide.
Medium
View SolutionGive the names of the elements present in the following compounds:
$(a)$ Quick lime
$(b)$ Hydrogen bromide
$(c)$ Baking powder
$(d)$ Potassium sulphate
$(a)$ Quick lime
$(b)$ Hydrogen bromide
$(c)$ Baking powder
$(d)$ Potassium sulphate
Medium
View SolutionCalculate the number of molecules of sulphur $(S_8)$ present in $16 \, g$ of solid sulphur.
Difficult
View SolutionHydrogen and oxygen combine in the ratio of $1:8$ by mass to form water. What mass of oxygen gas would be required to react completely with $3 \,g$ of hydrogen gas (in $,g$)?
Easy
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