Violet has found a container of aluminum bromide that says it contains 1.28 moles of
AlBr 3. What is the mass of this sample of
aluminum bromide? Please round your
answer to two digits after the decimal point,
and remember to include correct, complete
units (including substance formula).

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Give the orbital configuration of the phosphorus (p) atom.

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.