# What is mass conservation?

Jun 27, 2018

The principle that $\text{garbage in equals garbage out....}$ Mass is KNOWN to be conserved in EVERY chemical reaction..

#### Explanation:

And this is why educators insist that chemical equations must be balanced with respect to mass and charge... If they ain't then the equation CANNOT represent chemical reality....

$\left(\left(\text{Reactants"), (color(red)"A given mass"))stackrel(" ")rarr(("Products"), (color(red)"The same mass}\right)\right)$

See here and links for the same...and here, and elsewhere...