Calculate the molar mass of the following substances.
$(a)$ Phosphorus molecule,$P_4$ (Atomic mass of phosphorus $= 31$)
$(b)$ Hydrochloric acid,$HCl$
$(c)$ Nitric acid,$HNO_3$
$(a)$ Phosphorus molecule,$P_4$ (Atomic mass of phosphorus $= 31$)
$(b)$ Hydrochloric acid,$HCl$
$(c)$ Nitric acid,$HNO_3$
- A$136\,u, 40\,u, 63.5\,u$
- B$140\,u, 48\,u, 63.5\,u$
- C$124\,u, 36.5\,u, 63\,u$
- D$112\,u, 38\,u, 70\,u$
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