A solution of NaCl(aq) is added slowly to A solution of lead nitrate, Pb(NO3)2(aq), until no further precipitation occurs. The precipitate is collected by filtration, dried, and weighted. A total of 10.67 g PbCl2(s) is obtained from 200 mL of the original solution. Calculate the molarity of the Pb(NO3)2 (aq) solution.

concentration: ___ M

zfoods? ok, pressure is used to keep the heat inside and to keep the food perfect.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

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