Answer:
The molar mass of C7H16 and the molar mass of CaC03 contain approximately the same number of grams per mol (g/mol)
Explanation:
C7H16 is an alkane group compound known as Heptane. The chemical formula can also be represented as H₃C(CH₂)₅CH₃. The molar mass can be calculated as the sum of the atomic mass present in the compound. It molar mass can be calculated as follow :
atomic mass of carbon = 12.0107
atomic mass of hydrogen = 1.00784
From the compound, carbon has 7 atom = 12.0107 × 7 = 84.074
Hydrogen has 16 atom = 1.00784 × 16 = 16.12544
sum of the atomic masses = 16.12544 + 84.074 = 100.19944
molar mass = 100.19944g/mol
CaCO3 is known as calcium carbonate. They are mainly found in limestone . The molar mass is calculated as the sum of the atomic mass present in the compound. it can be calculates as follows ;
atomic mass of calcium = 40.078
atomic mas of carbon = 12.0107
atomic mass of oxygen = 15.999
From the compound, calcium has 1 atom = 40.078
carbon has 1 atom = 12.0107
oxygen has 3 atom = 15.999 × 3 = 47.997
sum of the atomic masses = 40.078 + 12.0107 + 47.997 = 100.0857
molar mass = 100.0857g/mol
From the calculation above you will notice both compound contain approximately the same grams per mol . Both have approximately the same amount of molar mass.
Molar mass of calcium carbonate = 100.0857g/mol
Molar mass of Heptane = 100.19944g/mol
