smart6377 smart6377 29.11.2019 Chemistry Secondary School +13 pts. Join now. H = 1 X 1 = 1. The molecular mass of this non volatile solute is View Answer Ask your question. Most commercially available nitric acid has a concentration of 68% in water. Join now. Its melting point is -42 ̊C (-43.6 ̊F), boiling point 83 ̊C (181.4 ̊F), density 1.513 g/cm3. As a monoprotic acid its equivalent weight is 63, i.e., equal to the molecular weight. N = 1 X 14 = 14. what is the molecular mass of HNO3 ?? Element - Atomic Mass - # of Atoms. 1. The molarity of HNO3 in a sample which has density 1.4 g/mL and mass percentage of 63% is _____. Log in. To find the molar mass of nitric acid HNO3. As an oxidising agent its equivalent weight depends on the product. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. In HNO3 there are 1 H atom,1 N atom and 3 O atoms. Oxygen = 15.9994 * 3 = 47.9982. Nitrogen = 14.0067 * 1 = 14.0067. Hydrogen = 1.00794 * 1 = 1.00794. HNO3 = 63.01284 g/mol We need to consider the number of atoms of each element in the formula and then multiply each with the atomic mass . A solution containing 10g per d/m of urea( molecular mass=60g/mol) is isotonic with a 5%solution of non volatile solute. 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 %: (Molecular Weight of HNO3 = 63) HNO3 is a colorless fuming liquid at room temperature. Nitric acid (H NO 3), also known as aqua fortis (Latin for "strong water") and spirit of niter, is a highly corrosive mineral acid.. Answered Calculate the molecular or mass of the hno3 2 Find an answer to your question Calculate the molecular or mass of the hno3 1. 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 Kathie Lee Gifford on moment Bill Cosby tried to kiss her Nitric Acid HNO3 Molar Mass, Molecular Weight. HNO3 is an acid and an oxidising agent. Log in. Ask your question. 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 16 + 14 + 1 = 63 g/mol O = 16 X 3 = 48. Solution of non volatile solute is View Answer element - atomic mass - # of of... Of each element in the formula and then multiply each with the atomic mass - # of atoms a fuming... In the formula and then multiply each with the atomic mass - # of atoms colorless but! 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