Question

Tolong bantu saya
Berapa mol H₂O yg memiliki 3,011×10²¹ ?

Answer 1

Bilangan Avogadro(L) = 6,02 x 10^23
X = jumlah molekul

X= n xL
n = X/L
n= 3.01 x10^21 / 6.02 x10^23
n = 1/2 x 10^-2
n = 0,005mol

Answer 2

X=n . L
3,011x10^21 = n x 6,022x10^23
n= 0,5x10^-2= 5.10^-3 mol