How many moles in 2.33E25 molecules of NO? 0.0258 mol
3.87E20 mol
38.7 mol
2.58E48 mol
please show work ​

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out