Cho 32g CuO tác dụng vừa đủ với H2SO4 a, Tìm khối lượng của H2SO4
b, Tìm khối lượng của CuSO4 tạo ra sau phản ứng

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

How can one make a supersaturated solution? (apex)