Acidul HClO 4 este un acid tare. a)Scrieti ecuaţia procesului de ionizare în soluţie apoasă

b)Calculaţi concentraţia ionilor hidroniu din soluţie, ştiind că s-au preparat

200 mL soluţie plecând de la 20,1 g acid percloric.

c)Determinaţi pH-ulsoluţiei.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.