The silver in a piece of jewelry has a volume of 0.25cm^3. If the density of silver is 10.5g/cm^3, what is the mass (in grams) of the silver in the piece of
jewelry?

What effect might melting sea ice have for people who live in coastal areas?

Which of the following units is not an official si unit? mole liter kilogram ampere

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.