Element Molar mass (g/mol)
F
19.00
Sr
87.62
Using the information in the table, calculate the number of formula units in a 33.8 g sample of strontium
fluoride (SrF2).
Write your answer in scientific notation using three significant figures.
formula units SrF2

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

The osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant r. suppose the osmotic pressure of a certain solution is measured to be 12.atm at an absolute temperature of 317k. write an equation that will let you calculate the molarity c of this solution. your equation should contain only symbols. be sure you define each symbol other than r. equation: c=? definition of symbols: ? = 12 atm ? = 317 k