Calculate the number of grams of sodium in 2.20 g of this sodium-containing food additive.   NaC7H5O2 (sodium benzoate)   Express the mass of sodium to three significant figures.

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Calculate the number of grams of sodium in 2.20 g of this sodium-containing food additive.
 
NaC7H5O2 (sodium benzoate)
 
Express the mass of sodium to three significant figures.
 
Expert Solution
Step 1

Given,

mass of sodium benzoate (NaC7H5O2) = 2.20 g

mass of sodium (Na) = ?

Note:

molar mass of sodium (Na) = 23 g/mol

Molar mass of sodium benzoate (NaC7H5O2)  = 144.11 g/mol

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