Calculate the molar mass of Nitric acid (HNO3). Atomic mass of H=1U, N=14u, O=16u

Answer:

The molar mass of the chemical substance is equal to the sum of the atomic mass of the individual atoms. The smallest unit of a compound is molar mass, which is one-twelfth of the mass of one carbon atom – 12 atoms.

  • The notion of molar mass can be used to calculate how many grams of substance are necessary when we know the number of moles required.
  • The molar mass, also known as molecular weight, is the sum of all the atoms that make up a mole of a molecule’s total mass in grams. The unit of measurement is grams per mole.

Given

  1. Atomic mass of H = 1u
  2. Atomic mass of N = 14 u
  3. Atomic mass of O = 16u

The molar mass of HNO3 is

(1 × 1) +(1 × 14) + (16×3) = 63 u.

Articles to refer

  1. What is molecular mass and how to find molecular mass
  2. Calculate the molecular mass of- NH3, CO2, HCl, Cl2
  3. Calculate the molecular masses of H2, O2, Cl2, CO2, CH4, C2H6, C2H4, NH3, CH3OH.

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3 Comments

  1. Good way to learn.

  2. nice

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