40 cm3 of 0.40 mol. dm^-3 of NH3 solution are mixed with 60 cm3 of 0.30 mol. dm^-3 of NH4CL solution Calculate the pH of the solution, at 25 ° C.
Kb (NH3, 25 ° C) = 1.75x10^-5

21 just playing hshsjsjshsgdhdhdhhd

The answer is 323 g.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.