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Technically, a non-zero y-intercept can't exist in such a graph. If you were looking at such a graph, it was probably because they cut it short, and were just showing part of it.
When the vertical axis represents "number of things" and the horizontal represents "volume of the thing"---slope is change in vertical over change in horizontal, so units of the slope would be "number/volume", which is density.
Volume = mass / Density Mass = Volume * Density Density = Mass / Volume
density = mass / volume Solving for mass: mass = density x volume Solving for volume: volume = mass / density
Density = mass/volume Mass = (density) x (volume) Volume = mass/density
mass / volume = density
Technically, a non-zero y-intercept can't exist in such a graph. If you were looking at such a graph, it was probably because they cut it short, and were just showing part of it.
Mass vs Volume graphs have a positive slope and and y intercept of approximately zero
mass and volume measurements for any sample liquid should fall along the graph line because liquids have a constant density. Density is mass over volume. Mass equals density which is a constant time volume.
zero
Because the relation is of proportionality.
Density is the slope of the line. density = mass/volume = constant. Since mass and volume have a linear relationship, then that constant is also the slope of the line on a graph of a comparison of mass to volume ratios.
When the vertical axis represents "number of things" and the horizontal represents "volume of the thing"---slope is change in vertical over change in horizontal, so units of the slope would be "number/volume", which is density.
There is no general conversion, since they measure different things (volume versus mass). You need to know the density of a specific material to do the conversion for that material, and apply the formula: mass = volume x density
You can't just convert one to the other - they measure different things (mass versus volume). For a specific material, if you know the density, you can use the formula: mass = volume x density
Mass = Density x Volume Density = Mass/Volume Volume = Mass/Density
It tells you the quality of the copper. for example what percentage of the coin is copper