CaSiO3(s) +6 HF (g)-> CaF2(aq) + SiF4 (g) + 3 H2O(l)

Question

If a 65.6 g sample of CaSiO3 is reacted in an inert 83 L container at 25.5°C with HF at 1.00 atm pressure find the following.
a. the mass of water, and CaF2 produced in the reaction and the mass of HF that remains.
b. The partial pressure of SiF4 in the container after the temperature has returned to 25.5°C.

Answer 1

See this and respond here.
http://www.jiskha.com/display.cgi?id=1426441081