Please help!

Convert 1.86 x 1025 formula units of Mg(OH)2 to grams.

Answer : The mass of is, 1800.7 grams.

Explanation :

As we know that 1 mole of contains atoms

And, 1 mole of has 58.3 g

So, we can say that:

As, formula unit of present in 58.3 gram of

So, formula unit of present in gram of

Therefore, the mass of is, 1800.7 grams.

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 .

i'm wiling to try and you : )