Determine the number of moles of Cr atoms in 50.00grams of Cr2Cl3

molar mass of Cr2Cl3 = 158.5 g/mole

number of mole of Cr2Cl3 in 50 grams of Cr2Cl3 = 0.3155 moles

Describe a procedure you could use to separate the components of a mixture of sand, gravel, salt, and iron fillings. Identify which component (s) would be separate at each step, and why.

7. The mass of a sample of Co, is 91.72 g. How many molecules does it contain?

A radioactive element is one that is: a. stable b. not stable c. found in all living organisms d. both b & c

What is the percentage of aluminum in aluminum oxide (al2o3?

Which is more acidic, 4-ethoxyphenol or 4-nitrophenol?

Which of these is an element? Mg TiCI2 HCI LiF

Two technicians are discussing refrigerant lines. Technician A says that line connections must be tight but not so tight that air can't get through.

How does the state of matter affect the speed of sound

Which of the processes is exothermic? 1. evaporation of alcohol 2. sublimation of iodine 3. solidification of volcanic lava 4. burning of paper

The maximum amount of solute that dissolves in a given amount of solvent and forms a stable solution is called the