Atoms and Molec...

Statement 1: One mole of $$CO_2$$ has a greater mass than $$1$$ mole of $$H_2O$$.
Statement 2: The molecular mass of $$CO_2$$ is greater than the molecular mass of $$H_2O$$.

Find the accurate statement for the significance of Avogadro's number ?

All atoms of the same element have :

Molar mass of ethanol $$(C_2H_5OH)$$ is:

How many atoms are represented by the formula $$\displaystyle { K }_{ 3 }{ Fe\left( CN \right)  }_{ 6 }$$ ?

Who first coined the term 'atomos' meaning indivisible?

$$0.25$$ moles of $$O_2$$ at STP equal to_____.

The molar mass of $$CaCO_3$$ is :

Which of the groups below represents the correct relationship in order from smallest (or simplest) to largest (or more complex)?

Which of the following will not be affected by changes in temperature and pressure?