[جوودي..~]

The fertilizer ammonium sulfate [(NH4)2SO4] is prepared by the reaction between ammonia (NH3) and sulfuric acid:
2NH3(g) + H2SO4(aq) (NH4)2SO4(aq)

How many kilograms of NH3 are needed to produce 1.00  105 kg of (NH4)2SO4?

الجواب 2.58 ˟ 104 kg
بس مادري ليه
واخر سؤال
. Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and in the production of aluminum l. It is prepared by the reaction
CaF2 + H2SO4 CaSO4 + 2HF
In one process 6.00 kg of CaF2 are treated with an excess of H2SO4 and yield 2.86 kg of HF. Calculate the percent yield of HF.
الجواب93.0 %
كمان مادري كيف طلع

الله يسعدكم ساعدوني في حلها =(