2K + Cl₂ ⇒ 2KCl
2Ca + O₂ ⇒ 2CaO
it is a solute and a solvent
Moles of CO2 = number of molecules / 6.02x10^23. = 3x10^23/6.02x10^23 = 0.5moles. Therefore, mass of CO2 = moles x molecular mass of CO2= 0.5x44 = 22gm.
Evaporation and transpiration
Hydrogen oxygen argon carbon hope you get a 100