Question

Calculate mass of sodium which contains same number of atoms as are present in 4 g of calcium. Atomic mass of sodium and calcium are 23 and 40 respectively. ​

Answer 1

Answer:

2.3 g

Explanation:

4 g Ca = 0.1 mole  

moles of Ca = moles of Na  (atoms are equal)

0.1 mole = 0.1 mole

Na = 0.1 * 23

       2.3 g