The enthalpy change of solution refers to the amount of heat that is released or absorbed during the dissolving process (at constant pressure).
No information can be known about the triangle from the information given.
Given :
A balanced chemical equation :
To Find :
How many grams of zinc are needed to produce 12 grams of zinc chloride.
Solution :
Moles of ,
Now, by balanced chemical equation we can say that 1 mol of Zn produce
1 mol of .
So, 0.088 mol of Zn is required to produced 0.088 mol of .
Therefore, 5.8 grams of zinc is required.
Hence, this is the required solution.
Answer:
523.66g or 524g for proper sig figs
Explanation:
First you have to get the molar mass of MgCl2 which is 95.211g/mol. You can calculate this through added the atomic mass of one magesium atom and 2 chloride atoms. You then multiply the 5.50mol by the 95.211g/mol and that cancels out the unit of moles leaving only grams.