One oy 1 The Kebin earthquake was the first earthquake in southern Kazakhstan 2 Over 700 buildings in - id1794683320221015 от darkfire2017oxd5un 15.10.2022 03:43

Question

Химия: One oy 1 The Kebin earthquake was the first earthquake in southern Kazakhstan 2 Over 700 buildings in Almaty survived the earthquake. 3 People built the Ascension Cathedral without nails. 4 The Great Fire of London started in a bakery. 5 The Great Fire of London lasted a week. 6 Samuel Pepys was a rich man. dy kills​

darkfire2017oxd5un · Accepted Answer

Х г, Х моль 1 г

2Al + 6HCl = 2 AlCl3 + 3H2

n = 2 моль n = 3 моль

Mr = 27 г/моль Mr = 2 г/моль

m = 54 г m = 6 г

Х г Al - 1 г Н2

54 г Al - 6 г Н2

m(Al) = 54 * 1 / 6 = 9 г

Х моль Al - 1 г Н2

2 моль Al - 6 г Н2

n(Al) = 2 * 1 / 6 = 0,33 моль

MOGZ ответил