I need help with moles in chemistry.? - Freemason Hirams Travels Masonic Forums

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02-25-2008, 12:56 AM

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I need help with moles in chemistry.?

Theres this question that I don't understand.
How many Silver ions are present in 25.8g of silver Chromate? (Ag2CrO4) the 2 and the 4 are subscripts.

Please help me. [:
Yeah, but I need to do it using equations.
For mb20and151,
Ag's molar mass isnt 47, it's 107.87. :S

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