Final answer:
Without a solubility chart or knowing the pressure conditions, it is impossible to determine the exact grams of NH3 that can be dissolved at 45°C. Ammonia solubility varies with temperature and pressure, and proper reference materials should be consulted to find the specific value.
Step-by-step explanation:
The question regarding the solubility of NH3 (ammonia) at 45°C appears to be a chemistry problem that might involve the use of a solubility table or chart specific to ammonia. Typically, the solubility of a gas in water depends on the temperature and pressure, and this information can often be found in reference tables provided in chemistry textbooks or lab manuals. Since the provided information does not include a solubility chart or indicate the pressure conditions, we cannot give a specific answer to how many grams of NH3 can be dissolved at 45°C.
However, if we refer to a solubility chart for NH3 at 45°C for a given pressure, we would be able to find the solubility in grams per 100 mL of water, and from there calculate the equivalent amount that could be dissolved.
It is important to handle NH3 with care, as it is a hazardous substance. Always follow proper laboratory safety guidelines when working with chemicals.