Final answer:
The question about how many times its volume acetone can absorb in acetylene cannot be answered without more information. Stoichiometry can help calculate gas requirements for combustion processes, such as the amount of oxygen needed to burn acetylene using the provided balanced equation.
Step-by-step explanation:
Acetone can absorb a considerable amount of acetylene gas due to its chemical properties. Unfortunately, the exact number of times its own volume in acetylene is unspecified in the question and cannot be answered without additional data. However, when considering the volumetric capacities for gases, it's crucial to note that factors such as pressure and temperature play a significant role due to gas laws.
Additionally, using the provided chemical equations and data, we can calculate specific requirements for other scenarios, such as the amount of oxygen needed to burn acetylene in a welding torch setup.
For instance, the balanced chemical equation for the combustion of acetylene is 2 C₂H₂ + 5 O₂ → 4 CO₂ + 2 H₂O, indicating that 2.5 volumes of oxygen are needed for every volume of acetylene. Therefore, studious application of stoichiometry is essential in such calculations.