¿en que se parecen y en que se diferencian los materiales que comparten el mismo estado de agregacion respecto de sus propiedades?

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

How many moles are in 43.9 l of oxygen

What best discribes the relationship between wavelength and frequency in a electromagnetic wave