Question

1. calculate the molecular mass of methane molecules.

2. calculate the molecular mass of C6H6.

3. calculate the molecular mass of NaOH.

4. calculate the molecular mass of Urea. (NH2CONH2)

5. Mass of 1 atom of an element is 5.8×10^-23g. calculate its atomic mass.​

Answer 1

Answer:

1. the molar mass of CH4 is 16 gm/mol. {Methane}

2. the molar mass of C6H6 is 78.11 gm/mol. {Benzene}

3. the molar mass of NaOH is 39.997 g/mol. {Sodium Hydroxide}

4. the molar mass of NH2CONH2 is 60.056 g/mol. {Urea}

5. ..................................................