How many moles of aluminum bromide would be produced from reacting 20.0 grams of aluminum with excess bromine?
20.0 g Al X 1 mole Al X 2 mole AlBr3 X 266.7 g AlBr3 = 132 g AlBr3
27 g Al 3 mole Al 1 mole Al

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Who discovered a pattern to the elements in 1869?

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?