Question

give fomulae of no. of moles ​

Answer 1

the formula is 6.022 x 10 raise to 23

Answer 2

hello!!!!

7/8

[Multiplicative inverse ⟹ product should be 1]

According to the question,

8/9 × (-7/8) = -7/9 ≠ 1

Therefore, 8/9 is not the multiplicative inverse of