Odisha Board Solutions for Chapter: Basic Concepts Atoms & Molecules, Exercise 6: QUESTIONS

Find the volume occupied by $6.023\times {10}^{23}$ molecules of oxygen at NTP?

$5.6$ litres of gas at NTP weighs $8.25 \mathrm{gms}$. Calculate its vapour density.
 

What weight of water will be formed by the combination of $11.2$ litres of oxygen at NTP with excess of hydrogen ?

$6$ gms of carbon was completely burnt in oxygen. What would be the volume of carbon dioxide produced at NTP and how many molecules will be present in that gas ?

Calculate the volume of oxygen at STP required to completely burn $30\mathrm{ml}$of acetylene at STP.

Calculate the total number of electrons present in $2.24 \mathrm{litres}$ of methane at NTP.
 

What is the mass of one mole of electrons?

How many atoms of fluorine are there in $1.9 \mathrm{x} {10}^{-6}$gms of Fluorine? $(\mathrm{F} = 19 \mathrm{amu})$