Question

(v) X - 8xy, 3xy - y, y + 1​

Answer 1

Answer:

At mass of Au = 197

6.023 x10 23 atom of gold weigh 197 g

1 atom of gold weigh?

1 x 197

=

6.023 x 10 23

= 32.7079 x 10 -23

The mass of an atom of gold = 3.2708 x 10 -22 g

Answer 2

Answer:

please mark as brainlist