please answer the following questions seriously .
calculate no of atoms for 4gm of He ? 2. calculate no of atoms in 20gm of calcium oxide ? 3.what is mole ?4. write down the formula of mole ? 5. what will be the value of mole ? 6. calculate no of molecules present in 10 gm of H20 ?
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Explanation:
No of atoms =n*N*atomictily
where N=avagardro no
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