What was the internal volume of the bottle? And what mass of air filled the bottle and what was the density of air?

The internal volume of the bottle is not provided in the information given. Therefore, it is impossible to determine the internal volume.

The mass of air filled in the bottle is also not mentioned, so we cannot determine it.

However, the density of air at standard conditions (0 degrees Celsius and 1 atm pressure) is approximately 1.225 kg/m^3.

To determine the internal volume of the bottle, you would need to measure it directly or find the specifications of the bottle from its manufacturer. The internal volume refers to the amount of space inside the bottle, which can be measured in liters or cubic centimeters.

As for the mass of air that filled the bottle, it can be calculated using the density of air and the volume of the bottle. The density of air is typically around 1.225 kilograms per cubic meter at room temperature and sea level conditions.

To calculate the mass of air, you would need to multiply the density of air by the volume of the bottle. Make sure to convert the volume to meters if it is given in a different unit. The resulting mass will be in kilograms.

Density of air = 1.225 kg/m³ (at room temperature and sea level conditions)

Mass of air = Density of air × Volume of bottle

The density of air generally remains fairly consistent, but it can vary slightly with temperature, pressure, and humidity. For more accurate calculations, you may need to consider these factors.

Remember, to get precise values, you will need to measure the bottle's volume directly or find the information from reliable sources regarding its capacity.

To determine the internal volume of the bottle, you would typically measure it using a measuring instrument such as a graduated cylinder or a volumetric flask. However, since I cannot directly measure or access real-world data, I will provide you with a step-by-step approach to calculate these values based on typical assumptions.

Step 1: Measure the bottle's dimensions:
- Measure the height of the bottle (h) using a ruler or measuring tape.
- Measure the diameter of the bottle opening (d) using a caliper or ruler.

Step 2: Calculate the internal volume of the bottle:
- Assuming the bottle has a cylindrical shape, the volume can be calculated using the formula for the volume of a cylinder:
V = π * (d/2)^2 * h
Here, V represents the volume of the bottle.

Step 3: Calculate the mass of air in the bottle:
- Assuming the bottle is filled with air at a certain pressure and temperature, we can use the ideal gas law to calculate the mass of air.
- Use the ideal gas law equation: PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature.
- Rearrange the equation to solve for n (number of moles): n = (PV) / (RT).

Step 4: Calculate the density of air:
- The density of air can be calculated using the formula: Density = mass / volume.
- Substitute the mass of air from step 3 and the volume of the bottle from step 2 into the formula.

Note: The values obtained here are theoretical and do not take into account factors such as temperature, pressure, or deviations from ideal gas behavior, which would affect the accuracy of the results.