How many bromide ions are there in 1.5 moles of MgBr2?? a. 2.8*10^2

b. 7.5*10^1

c. 2.6*10^2

d. 2.1*10^24

e. 1.7x10^23

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x