How many moles of ethylene glycol must be added to 1.0 kilograms of water to produce a solution that boils at 105.0 degrees celsius? the boiling point elevation constant for water is 0.512 degrees celsius per mole.
a. 9.77 mol
b. 4.89 mol
c. 2.56 mol
d. 0.512 mol

Which compound contain an iron with a 3+ charge

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?