PLZ ANS WITH STEPS AND FORMULAS Calculate the number of gram atoms and atoms present in 80 g of sulphur - Science - Atoms and Molecules

Question

PLZ ANS WITH STEPS AND FORMULAS
Calculate the number of gram atoms and atoms present in 80 g of
sulphur
( a )   2 5 ,   15 05 × 10 23 ( b )   3 5 ,
  16 05 × 10 23 ( c )   0 5 ,   13 3 ×
10 22 ( d )   2 3 ,   15 05 × 10 23

Raveena Sharma · Accepted Answer

The solution is as follows:

For 1 mole of S, gram-atoms of S is 1

Thus,

Gram atoms in 80 g sulphur = number of moles in 80 g S
= Given massMolar mass=8032 =2
5Number of atoms of S in 80 g = no of moles×NA                            = 2
5×6
023×1023                             = 15
05×1023

The correct option is (a)

PLZ ANS WITH STEPS AND FORMULAS Calculate the number of gram atoms and atoms present in 80 g of sulphur. ( a ) 2 . 5 , 15 . 05 × 10 23 ( b ) 3 . 5 , 16 . 05 × 10 23 ( c ) 0 . 5 , 13 . 3 × 10 22 ( d ) 2 . 3 , 15 . 05 × 10 23

PLZ ANS WITH STEPS AND FORMULAS
Calculate the number of gram atoms and atoms present in 80 g of sulphur.
$(a) 2.5, 15.05 \times 10^{23} (b) 3.5, 16.05 \times 10^{23} (c) 0.5, 13.3 \times 10^{22} (d) 2.3, 15.05 \times 10^{23}$