Question
Calculate the molar mass :
$CH _4$

Answer

Molar mass of $CH _4=$ Molar mass of $C +4$ (molar mas of H)
$=12.01+4(1.0079)=16.0416$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Discuss the shape of the following molecules using the VSEPR model:

BCl3

The intermediate carbocation formed in the reactions of HI, HBr and HCl with propene is the same and the bond energy of HCl, HBr and HI is 430.5kJ mol-1, 363.7kJ mol-1 and 296.8kJ mol-1 respectively. What will be the order of reactivity of these halogen acids?
For Tribasic acid Ka1 > Ka2 > Ka3 what will happen to the acid strength of polyprotic acids if protons are lost?
What are four quantum numbers of 19th electron of copper?
Write the equilibrium constant expression for following reaction:
$2\text{NOCl}(\text{g})\rightleftharpoons2\text{NO(g)}+\text{Cl}_2(\text{g})$
What is the state of hybridisation of each carbon atom in C6H6?
The first $(\Delta_{1}\text{H}_{1})$ and the second $(\Delta_{1}\text{H}_{1})$ ionization enthalpies (in kJ mol–1) and the $(\Delta_{1}\text{H}_{1})$ electron gain enthalpy (in kJ mol–1) of a few elements are given below:
Elements $\Delta\text{H}_{1}$ $\Delta{\text{H}}_{2}$ $\Delta_{\text{eg}}\text{H}$
I 520 7300 -60
II 419 3051 -48
III 1681 3374 -328
IV 1008 1846 -295
V 2372 5251 +48
VI 738 1451 -40
Which of the above elements is likely to be:
The least reactive element.
Predict which of the following reaction will have appreciable concentration of reactants and products:
$\text{Cl}_2\text{ (g)}\rightleftharpoons2\text{Cl (g) K}_\text{c}=5\times10^{-39}$
$\text{Fe}_2\text{O}_3+3\text{CO}\text{(g)}\xrightarrow{ \ \ \ \ \ \ \ }2\text{Fe}\text{(s)}+3\text{CO}_2\text{(g)}$