Question

If I have 2.500 grams of magnesium how many moles of magnesium do I have?

Answer 1

0.1029(rounded to sig figs)

Step-by-step explanation:

convert from grams to moles

Amount in grams/molar mass of substance

Molar mass of Mg=24.305

So, 2.500/24.305=0.1028594939

Rounded to 0.1029