How many atoms are there in 5.8 mole of helium?

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

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer