The molar mass of c7h16and the molar mass of cac03contain approximately the same number of cations grams anions carbon atoms

The molar mass of C₇H₁₆ and the molar mass of CaCO₃ contain approximately the same number of grams. 

Explanation:

C₇H₁₆ is an alkane. C₇H₁₆ doesn't have cations or anions. But CaCO₃ is an ionic compound which has Ca²⁺ as the cation and CO₃²⁻ as the anion. But both compounds have approximately same molar mass.
   Molar mass of CaCO₃ = 100.09 g/mol
   Molar mass of C₇H₁₆ = 100.21 g/mol

 

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