Answer: amount of substance n = cV = 2.0 mol/l x 0.25 l = 0.50 mol
Explanation:
Molecule of inheritance; contains instructions for making all proteins required to build and maintain cells; it has a 3-D structure called the DNA double helix, consisting of two backbones with alternating deoxyribose and phosphate groups, and a pair of nitrogenous bases joined by hydrogen bonds. Also called deoxyribonucleic acid.
Thru ionic bonding. The oppositely charged ions attract each other so ionic bond forms. Ionic bonding occurs when a metal bonds with a non-metal.