Calculate the mass in grams of 8.35 1022 molecules of CBr4. (1pt)
Calculate the mass in grams of 6.44*10^20 molecules of SO3
Calculate the mass, in grams, of 5.71 x 10^19 molecules of HCL
Molar mass has the units of grams/mole. Molar mass serves as a conversion factor between numbers of moles and mass. If you know how many moles you have, you can calculate their mass; if you know the mass of a sample, you can calculate the number of moles. What is the mass of 0.2 moles of...
Grade 12 chemistry
What is the mass (in grams) of 9.78 1024 molecules of methanol (CH3OH)?