রাসায়নিক গণনার নিরাপদ পথ

Video narration

Shomoshyay bhor, mol ar shomikoroner shohog eksathe dekhle kotha theke shuru korbe, setai kothin lage. Rannar resipite jemon upokoroner nirdishto onupat mante hoy, rashayonik shomikoroneo podarther konar onupat nirdishto. Kintu ekhane shohog bhorer noy, moler onupat. Tai bhor dekhe shorashori shomikorone jawa noy. Prothome bhor ke mole bodlao. n=m/M, jekhane M holo molar bhor, ek moler bhor; eti parmanobik ba anobik bhor theke ashe. m holo dewa bhor, ar n holo mol. Mol holo konar gononar ekok. Shutroti byabohar kore mol ber koro. Ebar shomikoronti shushom ki na dekhe nao. Shomikoroner shohog-i janay, podarthogulor moler onupat. Shohoger onupat byabohar kore jana mol theke ojana mol hishab koro. Sheshe ojana molke ojana podarther molar bhor diye gun korlei chawoa bhor paoa jay. Ekok milchhe ki na jachai koro, gram bhag mol, mol, tarpor gram. Mone rekho: bhor theke mol, mol theke onupat, tarpor abar bhor, ei dharai rashayonik gononar nirapod poth.