22. Calculate the number of moles of the indicated sub- stance in each of the following samples.
a. 4.26 X 10-3 g of sodium dihydrogen phosphate
b. 521 g of copper(I) chloride
c. 151 kg of iron
d. 8.76 g of strontium fluoride
e. 1.26 X 104 g of aluminum
29.

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

answer carbon and three oxygen atoms;