Hấp thu hết 6,72 lít đkc khí CO2 vào dd có chứa 0,2 mol Ca(OH)2. Tính khối lượng kết tủa thu được.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic