1) How much water must be added to 500.mL of 0.200 M HCI to produce a 0.150M solution?

2) If you Dilute 175 mL of a 1.6 M solution of LiCI to 1.0 L, determine the new concentration of the solution.

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided