Que volume de solução aquosa de CuSO4de concentração 0,5mol dm-3será necessário medir para preparar 500 cm3de uma solução 0,05 mol dm-3 de sulfato de cobre?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1