One component of a metal sculpture consists of a solid cube with an edge of length 34.1 cm . The alloy used to make the cube has a density of 6690 kg/m3 . Find the cube's mass.

Calculate the number of molecules present in 0.750 mol of mgo.

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.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2