2) Dano:
М= 300 г
S- 500 см^3
Р=?​

Σ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っ(๑-﹏-๑)o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o(╥╯﹏╰╥)งっ╥╯﹏╰╥c(๑-﹏-๑)(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ凸(-_-)凸っ╥╯﹏╰╥c(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ(๑-﹏-๑)っ╥╯﹏╰╥c:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っっ╥╯﹏╰╥co(╥﹏╥)o(๑-﹏-๑)(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o:;(∩´﹏`∩);:(๑-﹏-๑)Σ(っﾟДﾟ；)っ:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っ(๑-﹏-๑)っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o(╥╯﹏╰╥)งo(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っ:;(∩´﹏`∩);:o(╥﹏╥)o

Σ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っΣ(っﾟДﾟ；)っ(๑-﹏-๑)o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o(╥╯﹏╰╥)งっ╥╯﹏╰╥c(๑-﹏-๑)(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ凸(-_-)凸っ╥╯﹏╰╥c(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ(๑-﹏-๑)っ╥╯﹏╰╥c:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っっ╥╯﹏╰╥co(╥﹏╥)o(๑-﹏-๑)(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(╥╯﹏╰╥)งΣ(っﾟДﾟ；)っ:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:o(╥﹏╥)o:;(∩´﹏`∩);:(๑-﹏-๑)Σ(っﾟДﾟ；)っ:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っ(๑-﹏-๑)っ╥╯﹏╰╥c(╥╯﹏╰╥)งo(╥﹏╥)o(╥╯﹏╰╥)งo(╥﹏╥)o(๑-﹏-๑)o(╥﹏╥)o:;(∩´﹏`∩);:Σ(っﾟДﾟ；)っ:;(∩´﹏`∩);:o(╥﹏╥)o