Hitunglah berapa mol zat berikut ! a. 54 gram Aluminum b. 22 gram Gas CO2 c. 54 gram Air (H2O) d. 30 gram etanol (CH3COOH)

Question

Kimia Diposting : 2018-01-15 Diupdate : 2021-05-29 Alfin7132

Pertanyaan

Hitunglah berapa mol zat berikut !
a. 54 gram Aluminum
b. 22 gram Gas CO2
c. 54 gram Air (H2O)
d. 30 gram etanol (CH3COOH)

Answer 1

n = gr / Ar , n = gr / Mr
a) n Al = 54/27 = 2 mol
b) n = 22/44 = 0,5 mol
c) n = 54/18 = 3 mol
d) n = 30/60 = 0,5 mol