How many molecules are in 4.56 grams of CaCl2? a. 8.40x10^-22 molecules

b. 7.42x10^22 molecules

c. 2.52x10^-21 molecules

d. 2.47x10^22 molecules

Do polar molecules have ionic bonds?

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?