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Answer to Question #140202 in General Chemistry for yara

Question #140202
What is the mass of 7.5 x1024 molecules of Na2CO3?
1
Expert's answer
2020-10-27T03:40:39-0400

Mass = ( number of molecules)(molecular weight) / avogadro number


Mass = 7.5(1024)(106)/6.022(1023)

= 1320.59


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