Question

question 13 the molar mass of c2h4(nh2)2 is 60 g/mol. blank 1 60

Explanation:

Step1: Identify atomic masses

The atomic mass of C is approximately 12 g/mol, H is approximately 1 g/mol, and N is approximately 14 g/mol.

Step2: Calculate molar - mass of \(C_2H_4(NH_2)_2\)

For \(C_2H_4(NH_2)_2\), there are 2 C atoms, \(2\times12 = 24\) g/mol; 8 H atoms, \(8\times1=8\) g/mol; 2 N atoms, \(2\times14 = 28\) g/mol.

Step3: Sum up the masses

\(24 + 8+28=60\) g/mol.

Answer:

60 g/mol