Solve the following problems. Make sure to show your answer using correct units and sig figs. 1. How many molecules are in 65 mol H_SOG?
2. How many moles is 3.47x10 molecules of water?
3. How many moles is 6.74x10^formula units of CaSO,?
4. How many moles are in 3.2x10- atoms of bromine?
5. How many atoms is 8.23 moles of copper (ll) chloride?

Ineed with a, b, c, d, and e on the long answer

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀ pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4. 0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.