2kl + pb(no3)2 > 2kno3 + pbl2
determine how many grams of kl are required to produce 1.2g of pbl2-

a) 0.43g
b) 0.86g
c) 1.67g
d) 3.33g

What elements have 2 electrons inthe 4s sublevel

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17