HELP ASAP PLEASE 10. If 5.85 grams of sodium chloride are dissolved in 50 mL of solution what is the
concentration?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

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.

One similarity and one difference between an element and a mixture of elements