Advertisements
Advertisements
Question
Calculate the molecular mass of C2H4.
Advertisements
Solution
Molecular mass of C2H4 = 2 × Atomic mass of C + 4 × Atomic mass of H
= (2 × 12 + 4 × 1) u
= (24 + 4) u
= 28 u
APPEARS IN
RELATED QUESTIONS
Calculate the molecular mass of CH3OH.
Write the name of the following compound and deduce its molecular mass.
Na2SO4
From the equation:
\[\ce{C + 2H2SO4 -> CO2 + 2H2O + 2SO2}\]
Calculate the mass of carbon oxidized by 49 g of sulphuric acid (C = 12, relative molecular mass of sulphuric acid = 98)
Calculate the molecular mass of the following:
CuSO4·5H2O
Given atomic mass of Cu = 63·5, H = 1, O = 16, C=12, N = 14, Mg = 24, S = 32
Calculate the molecular mass of the following:
(NH2)2CO
Given atomic mass of Cu = 63·5, H = 1, O= 16, C = 12, N = 14, Mg = 24, S = 32
Calculate:
The volume of 4g of H2 at 4 atmosphere.
Urea [CO(NH2)2] is an important nitrogenous fertilizer. Urea is sold in 50 kg sacks. What mass of nitrogen is in one sack of urea?
Fill in the blank with the correct word from the options given below:
Relative molecular mass of an element/compound is the number of times one ________ of the substance is heavier than −1/12that the mass of an atom of carbon [C12].
Calculate the relative molecular mass of ZnCO3.
Write the name of the following compound and deduce its molecular mass.
MgCl2
