stock calcs

Calculations with non-changing MW

Concentration: input type = "text" onchange = "g.value = 58.44 * M.value * mL.value /1000" value="5" name="M"/> M
to make: input type="text" onchange = "g.value = 58.44 * M.value * mL.value /1000"; value="1000" name="mL"/> mL
add: input type="text" onchange = "g.value = 58.44 * M.value * mL.value /1000"; value="292.2" name="g"/> g dry stuff