B- 90 grams bc 45 mL times 2 equals 90
Answer:Binary acids are acids composed of two atoms ,a hydrogen element and non metal element .Binary acids are also known as Hydracids.
Explanation:For example
Hydrochloric acid (HCl), hydrofluoric acid (HF), and hydroiodic acid (HI) are all binary acids.
Endothermic because the separation of the ions dictate the overall reaction