Patients with < 10% TBSA burns can be resuscitated orally (unless the patient has an electrical injury or associated trauma). In the case of patients with burns 10-40% TBSA, secure a large-bore IV line; add a second line if transportation will take longer than 45 minutes. South African Burn Society burn stabilisation protocol
Water is an ingredient that can dissolve soap. Water is a solvent and the the soap is the solute. Solutes are things that dissolve in solvents. I'm not sure what you're asking about an ingredient, but water makes all soap dissolve.
Dissolve some of a bar of soap in the 2000ml. of water until water is milky and sudsy. or 5 ml liquid Castile soap to 1000 ml of water 1000 ml of water equals approximately a little over 1 qt. Repeat Enema as necessary. You can refill the bag as many times as needed to complete this procedure.