Year 11 solution question (1 Viewer)

MilkyCat_

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I have no idea what i'm doing
someone help pls

Element 'X' forms a fluoride of formula XF3.

2.50g of this fluoride is dissolved in enough water to make 200.0 mL of solution

The Molarity of the final solution was found to be 0.15 M

b) Calculate the atomic weight of element 'X' and hence suggest a likely identity for the element.
 

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