Rasmdagi X moddaning eruvchanlik grafigini diqqat bilan organing. Tark

108. (v21 -122-3) Rasmdagi X moddaning eruvchanlik grafigini diqqat bilan organing. Tarkibida 500 g X modda va 1000 g suv bolgan ota toyingan issiq eritma 40В°C gacha sovutilganda necha g X modda kristal holatda ajralib chiqadi? temperatura A)200
B) 300
C) 450
D) 500