Answer to Question #89607 in General Chemistry for Rehan

Question #89607
Calculate the total number of ions in one gram of Na2HPO4.
1
Expert's answer
2019-05-13T04:58:59-0400

"n(Na2HPO4)=\\dfrac{1g}{141,96g\/mol}=0.007moles"

"N(Na2HPO4)=0.007moles*6.02*10^{23}=4.214*10^{21}molecules"

Na2HPO4"\\leftrightarrow" 2Na++H++PO4 3-

total number of ions="4.214*10^{21}*4=1.69*10^{22}"


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