Formula in Hill system is HNO3: Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. If you must, you can express it as a fraction as 15/1.Multiply the numerator (top) and the denominator (bottom) of this fraction by any non-zero integer. What is the value of the rate constant k for this reaction? The electron geometry is trigonal planar. Express your answer to two significant figures and include the appropriate units. Molecular weight calculation: 1.00794 + 14.0067 + 15.9994*3 1. Express your answer using two significant figures. How much of the concentrated solution in milliliters should you use to make 2.5 L of 0.500 M HNO3? 15 is an integer, not a fraction. Indicate the multiplication of units explicitly either with a multiplication dot or a dash. The O bonded to H has SN = 4 (two bonding pairs and two lone pairs). NISHAT A answered on June 17, 2015. A HNO3 solution has a sp.gr. HNO3 is strong electrolyte and CH3COOH is weak electrolyte. (d) how many mL of 1.00 M NaOH is needed to neutralize 25.0 ml of 1.00 M HNO3? (3 marks) 21. pH = 7. (2) Nitric acid is usually purchased in concentrated form with a 70.3% HNO3 concentration by mass and a density of 1.41 g/mL. Write the balanced molecular, complete ionic, and net ionic equations for each of the following acid-base reactions. Identify all of the phases in your answer. The Lewis structure of HNO₃ shows that it is a resonance hybrid of two structures. Molar mass of HNO3 = 63.01284 g/mol This compound is also known as Nitric Acid.. For this equation HNO3(aq) + Al(OH)3(s) →...? After bonding, there are six hybrid orbitals in HNO₃. The N atom has steric number SN = 3. NaCH3COO(aq)+HNO3(aq)----->NaNO3(aq)+CHOOH(aq . HNO3 is a strong acid. Express your answer as a chemical equation. The balanced net ionic equation for the neutralization reaction involving equal molar amounts of HNO3 and KOH is _____. Express its concentration in (a) molality (b) in Molarity (c) how many ml of this solution is needed to prepare 250. mL of 1.00 M HNO3? The N atom is sp² hybridized. of 1.42 and is 70.0 % (w/w) HNO3. The hybridization on the HNO3 is sp^3 because there are three bonds around the N which is your central atom in this compound so it would be sp^3. (12 marks) ... NaF Answer _____ ... mL of 0.200 M Sr(OH)2 is required to titrate 25.0 mL of a solution which is known to have HNO3. Before bonding occurs, the atoms have thirteen hybridized orbitals. The hybridization on the HOCN is sp because there is only 2 bonds around the central atom which is C because h … Look at the structure of HNO3 Double bond with one oxygen gives you +2 oxidation state another, OH group will give +1 and O- will give +1 so the total will be +5. ››HNO3 molecular weight. Make sure you express your answer in the correct number of significant digits. Show all your steps. Oct 14 2014 03:39 AM. 1 Approved Answer. 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