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Fe2(HPO4)3

Four different species! Will need number atoms every species as protons vary. What a lot of work! In order.

134 grams Fe2(HPO4)3 (1 mole Fe2(HPO4)3/399.634 grams)(2 mole Fe/1 mole Fe2(HPO4)3)(6.022 X 1023/1 mole Fe)

= 4.04 X 1023 atoms iron * 26 protons = 1.05 X 1025 protons iron

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134 grams Fe2(HPO4)3/399.634 grams)(12 mole O/1 mole Fe2(HPO4)3)(6.022 X 1023/1 mole O)

= 2.42 X 1024 atoms oxygen * 8 protons = 1.94 X 1025 protons oxygen

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I think you can add all the bold numbers to get total.

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12y ago
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Q: How many protons are there in 134 grams of iron III hydrogen phosphate?
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