ICSE Class 9 Answered
What information is conveyed by the following formulae?
Glucose (C6 H12 O6)
Lead nitrate PB (NO3)2
Washingsoda [Na2CO3.10H2O]
Asked by palashsoni4700.9sdatl | 23 Apr, 2020, 07:50: AM
Expert Answer
Molecular formula:
A molecular formula is a combination of elemental symbols and subscript numbers which is used to show the composition of a compound.
The number of atoms of an element is represemted as a subscript.
Information conveyed by the following formula is:
1. Glucose (C6H12O6)
The formula informs that, there are six carbon atoms, tweleve hydrogen atoms and six oxygen atoms present in one molecule of glucose.
2. Lead nitrate Pb(NO3)2
The formula informs that, there is one lead atom, two nitrogen atoms and six oxygen atoms (3×2).
3.Washing soda [Na2CO3.10H2O]
The formula informs that, there are two sodium atoms, one carbon atom, three oxygen atoms and ten water molecules.
Answered by Varsha | 23 Apr, 2020, 01:23: PM
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