The data in this table were collected by a group of students as they tested four different samples of plastics. Which plastic would be unsafe to use to store products that contain acetone?

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Will mark brainliest how many electrons can be held in the energy level n = 4?