✔Chemistry class 9 chapter 1 mole mass calculations❣ are explained with the help of the following points and important problems:-
🔹What is molar mass
🔹Calculate the molar masses of Na , nitrogen and sucrose
🔹Calculating the mass of a given number of moles of a substance
🔹Oxygen is converted into ozone (O3) during thunderstorms. What is the mass of ozone if 9.05 moles of ozone is formed in a storm?
🔹When natural gas burns CO2 is formed. If 0.25 moles of CO2 is formed, calculate the mass of CO2 is produced?
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