Density is defined as mass / volume. Solving for mass:
mass = density x volume
In other words, all you have to do is multiply the density times the volume, to get the mass.
Answer:0.8 mg
Concentration [ 20 g compound in 0.4 Litre solution: is (20 g) / (0.4 L) = ] is 50 g/L
The density is 5 g/cm3.
.004g/cm^3
To measure the density of a gas you find the mass and volume, then divide the volume by the mass.
Oxygen - Atomic Mass: 15.9994.
mass is mass for solid, liquid, and gas. density of solid > density of liquid > density of gas volume of solid < volume of liquid < volume of gas There are some exceptions to "density of solid > density of liquid" and "volume of solid < volume of liquid", with some of them being ice / water and rock / magma.
MolarMass = [density x gas constant x temperature(in kelvin)] / pressure (in atm)
density= mass/volume 30g/7500cm3=.004g/cm3
.004g/cm^3
vapor density =density of gas/density of hydrogen gas=mass of a certain vol. of gas/mass of same vol. of hydrogen gas=mass of n molecules of gas/mass of n molecules of hydrogen gas=mass of 1 molecule of gas/mass of 1 molecule of hydrogen gas=molecular mass of gas/molecular mass of hydrogen gas=molecular mass/22 x vapor density=molecular mass
Density is the amount of mass per unit of volume. Density = mass/volume Mass is the amount of matter in a sample. Length is the longest extent of anything as measured end to end. Volume is the amount of three-dimensional space occupied by a solid, liquid, or gas.
density = mass/volume
To measure the density of a gas you find the mass and volume, then divide the volume by the mass.
There will be the same amount of gas but in a smaller space. Density is mass/volume So as volume decreases and mass is constant, the density increases.
The air becomes less dense as it expands making the balloon appear to self inflate.
density = mass/volume
Oxygen - Atomic Mass: 15.9994.
First of all, the density of water decreases when it gets in gas state. Density is depended on mass and volume and thus the formula density= mass/volume. When water gets into gas state, the volume increases which results in an decrease in density.
To calculate the density of a gas, we need to know the molar mass and the pressure and temperature conditions. Without this information, we cannot determine the density of the gas.