Log in. 1. HNO3 = 63.01284 g/mol what is the molecular mass of HNO3 ?? Nitrogen = 14.0067 * 1 = 14.0067. As an oxidising agent its equivalent weight depends on the product. Join now. smart6377 smart6377 29.11.2019 Chemistry Secondary School +13 pts. Dividing the grams of HNO 3 by the molecular weight of HNO 3 (63.01 g/mole) gives the number of moles of HNO 3 / L or Molarity, which is 15.7 M. What is the Molarity Calculator Equation (Molarity Conversion) The following equation is used for calculating Molarity where the concentration is given in wt %: Kathie Lee Gifford on moment Bill Cosby tried to kiss her Log in. Ask your question. Most commercially available nitric acid has a concentration of 68% in water. Nitric Acid HNO3 Molar Mass, Molecular Weight. The molecular mass of HNO3 = the atomic mass of H+ the atomic mass of N +3 x the atomic mass of O =1+14+48 =63u H = 1 X 1 = 1. Join now. O = 16 X 3 = 48. 16 + 14 + 1 = 63 g/mol The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Oxygen = 15.9994 * 3 = 47.9982. As a monoprotic acid its equivalent weight is 63, i.e., equal to the molecular weight. Find an answer to your question Calculate the molecular or mass of the hno3 1. Molar mass of the following substances are as follows: (a) Ethyne, C2H2 Molar mass of ethyne, C2H2 = 2 x 12 + 2 x 1 = 26 g (b) Sulphur molecule, S8 Molar mass of sulphur molecule, S8 = 8 x 32 = 256 g (c) Phosphorus molecule, P4 (atomic mass of phosphorus = 31) Molar mass of phosphorus molecule, P4 = 4 x 31 = 124 g (d) Hydrochloric acid, HCl Molar mass of hydrochloric acid, HCl = 1 + 35.5 = 36.5 g The molecular mass of this non volatile solute is View Answer Answered Calculate the molecular or mass of the hno3 2 Ask your question. The molarity of HNO3 in a sample which has density 1.4 g/mL and mass percentage of 63% is _____. HNO3 is an acid and an oxidising agent. Its melting point is -42 ̊C (-43.6 ̊F), boiling point 83 ̊C (181.4 ̊F), density 1.513 g/cm3. To find the molar mass of nitric acid HNO3. Nitric acid (H NO 3), also known as aqua fortis (Latin for "strong water") and spirit of niter, is a highly corrosive mineral acid.. HNO3 is a colorless fuming liquid at room temperature. N = 1 X 14 = 14. Hydrogen = 1.00794 * 1 = 1.00794. Element - Atomic Mass - # of Atoms. We need to consider the number of atoms of each element in the formula and then multiply each with the atomic mass . In HNO3 there are 1 H atom,1 N atom and 3 O atoms. A solution containing 10g per d/m of urea( molecular mass=60g/mol) is isotonic with a 5%solution of non volatile solute. (Molecular Weight of HNO3 = 63) Volatile solute equivalent weight is 63, i.e., equal to the molecular or mass of the 2... 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