Given a chemical reaction GeH4 + GeF4 -> 4 GeF3H how many grams of GeH4 are necessary to produc exactly 100.0 grams of GeF3H 12.90g
14.67g
17.19g
85.33g

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have