28. The solubility of potassium acetate at 20°C is 19g/100g of water and at 80°
is 15g/100g of water. What mass of potassium acetate would crystallize out from
789 of a saturated solution, when it is cooled from 80°C to 20°C? (3 marks )

1. they vary with a higher number because boiling is way hotter than melting

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

i think it's letter a.

answerleaving cheese out to get moldy;