How many miles of cl- ions are needed to completely combine with 0.25 moles of mg-2 ions

How many atoms of oxygen are contained in 160 grams of n2o3

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.