What is the mass of 1.88 x 10^28 molecules of carbon dioxide?

a)8.27 x 1029 g CO2

b)1.37 x 106 g CO2

c)2.25 x 1029 g CO2

d)3.12 x 104 g CO2

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.