[Taylor_Ann159]

Please help me, I can't seem to figure out how to solve this problem. Thank you. How many grams of La(IO3)3 can be dissolved in 800 mL of a 0.100 M KIO3 solution at 25 oC? Use activities for this calculation

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[Arkcon]

I'd like to welcome you, Taylor_Ann159: to the Chemical Forums.  According to the Forum Rules{click}, we want to see your attempt, so please click on that link, read the contents, and comply with our rules, so we can help you. 

Do you understand what activities are?  Can you use them?  We'd like to know where to begin helping you.