Correct the statement, if required. The relative atomic mass of an element is the number of times one molecule of an element is heavier than 112 the mass of an atom of C12.

Correct the statement, if required.

The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C¹².

One Line Answer

The relative atomic mass of an element is the number of times one atom of an element is heavier than `1/12` the mass of an atom of C¹².

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Chapter 5 Mole concept and Stoichiometry
EXERCISE-5B | Q 31. (c) | Page 85

Calculate the number of moles in 12g of oxygen gas.

What is the mass of 5 moles of sodium carbonate (Na2CO3) ?

(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)

How many moles of oxygen atoms are present in one mole of the following compounds ?

Fill in the blank.
One a.m.u. is the mass of ______ atom of C^₁₂.

Calculate the number of moles and number of molecules present in 1.4 g of ethylene gas. What is the volume occupied by the same amount of ethylene?

Find the number of molecules in 73 g of HCl.

How many grams of HCl are present in 0.1 mole of it?

Calculate the number of atoms in the following:

52 amu of He

Calculate the number of gram atoms in 4.6 gram of sodium.

Deduce the number of molecules of the following compound in the given quantity.

7.1 g chlorine