Ikind of get how to do this but don’t fully #’s 2, 3, and 4

2. 109 g NaCl

3. 31.9 g ZnCl2

4. 15.4 g Al2O3

Explanation: First find moles of the given compound

Next do the mole ratio between both compounds

Convert moles to mass.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.