Nung hh Cu(NO3)2 và AgNO3 trong bình có V = 14,56 lít (lúc đầu bình trống) đưa về 0°C thì Pbình . Khối lượng khí trong bình tan trong nước tạo ra 0,5 lít dd axit 1M. Tính m Cu(NO3)2 và m AgNO3.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?