Question

1. How many grams of Mg(OH)2 are there in 4.5 moles?
2. 275g of Al(NO3)3 is equal to how many moles?

Answer 1

Answer:

1) 262 grams

Explanation:

Mg = 24.305g

O = 16g

H = 1

24.305 +2(16)+2(1) = 58.305 g

×$\frac{58.305g}{1} = \frac{x }{4.5 } =262.37 g$