A hydrated salt, compound A, is analysed and has the following percentage composition by mass; Cr, 19.51%;
Cl, 39.96%;
H, 4.51%;
O, 36.02%
Calculate the formula of compound A, showing clearly the water of crystallisation.

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

What is a metal replacement reaction

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols