Question

we are having a ice cream industry
we are using calcium cloride to get -35 degree
now we are getting -25 degree density of liquid is 1.210
how many kilo grams of calcium cloride to mix in liquid to get the density of 1.300
the liquid is nearly 3000 liters

Answer 1

Try:

http://www.newton.dep.anl.gov/askasci/chem03/chem03988.htm