H2S is a colorless gas at room temperature. - Definition, Formula & Examples, CLEP Natural Sciences: Study Guide & Test Prep, Middle School Life Science: Tutoring Solution, Holt McDougal Modern Chemistry: Online Textbook Help, Praxis Chemistry (5245): Practice & Study Guide, College Chemistry: Homework Help Resource, CSET Science Subtest II Chemistry (218): Practice & Study Guide, ISEB Common Entrance Exam at 13+ Geography: Study Guide & Test Prep, Holt Science Spectrum - Physical Science with Earth and Space Science: Online Textbook Help, Biological and Biomedical Its melting point is -82 ̊C (-115.6 ̊F), boiling point -60 ̊C (-76 ̊F), density 0.00136 g/cm3. The reason is that the molar mass of the substance affects the conversion. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. All rights reserved. Under the same conditions of temperature and... An expandable cylinder has its top connected to a... 1. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Therefore, the density of hydrogen sulfide gas at STP is: {eq}\boxed{ \; \rm \rho = 1.52\dfrac{g}{L} \; } Do a quick conversion: 1 moles H2S = 34.08088 gram using the molecular weight calculator and the molar mass of H2S. To do so, we must manipulate the values in the expression to arrive with an equation that contains the desired value. It is a colorless chalcogen hydride gas with the characteristic foul odor of rotten eggs. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. First acid dissociation constant of hydrogen sulfide is about 1x10-7 molar so that in body fluids dissociated and undissociated hydrogen sulfide exist in about equal proportions. Convert grams H2S to moles or moles H2S to grams. 1.00794*2 + 32.065. By taking the ratio of the mass and volume, we arrive with the density. Our experts can answer your tough homework and study questions. \rho = \dfrac{(1~atm)(34\frac{g}{mol})}{(0.0821\frac{L-atm}{mol-K})(273~K)} Molar mass of H2S = 34.08088 g/mol. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. This compound is also known as Hydrogen Sulfide. {/eq}, at STP? To complete this calculation, you have to know what substance you are trying to convert. Finding molar mass starts with units of grams per mole (g/mol). The necessary values to arrive with the density of hydrogen sulfide gas are: By plugging in these values to the equation below, we arrive with the density of hydrogen sulfide gas. molar mass and molecular weight. {eq}\rm \rho = \dfrac{PMW}{RT} \\ {/eq}. This site explains how to find molar mass. Mercury(I) Sulfide Hg2S Molar Mass, Molecular Weight. Check the chart for more details. Undissociated acid, however, penetrates biological membranes more rapidly than the hydrosulfide anion. We use the most common isotopes. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. It is possible to use the ideal gas equal to determine the molar mass or density of a gas. • Pb(OH)2 + Hg2S = PbS + Hg2(OH)2 Convert grams H2S to moles  or  moles H2S to grams, Molecular weight calculation: Molecular weight calculation: 1.00794*2 + 32.065 ›› Percent composition by element These relative weights computed from the chemical equation are sometimes called equation weights. Molar mass of H2S is 34.0809 g/mol Compound name is hydrogen sulfide Convert between H2S weight and moles Browse the list of All other trademarks and copyrights are the property of their respective owners. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. For the density, we can manipulate the expression below to arrive with the density in grams per liter. Calculate the molecular weight It is poisonous, corrosive, and flammable. What is the density of hydrogen sulfide gas, {eq}H_2S {/eq}. common chemical compounds. © copyright 2003-2020 Study.com. This compound is also known as Hydrogen Sulfide. Assume the absolute zero apparatus is initially... Molar Volume: Using Avogadro's Law to Calculate the Quantity or Volume of a Gas, The Kinetic Molecular Theory: Properties of Gases, Boyle's Law: Gas Pressure and Volume Relationship, Gay-Lussac's Law: Gas Pressure and Temperature Relationship, Charles' Law: Gas Volume and Temperature Relationship, Limiting Reactant: Definition, Formula & Examples, Dalton's Law of Partial Pressures: Calculating Partial & Total Pressures, Combined Gas Law: Definition, Formula & Example, Calculating Molarity and Molality Concentration, Real Gases: Using the Van der Waals Equation, The Law of Conservation of Mass: Definition, Equation & Examples, Acid-Base Equilibrium: Calculating the Ka or Kb of a Solution, Using the Ideal Gas Law: Calculate Pressure, Volume, Temperature, or Quantity of a Gas, Empirical Formula: Definition, Steps & Examples, How to Calculate Percent Yield: Definition, Formula & Example, Hydrates: Determining the Chemical Formula From Empirical Data, Impulse: Definition, Equation, Calculation & Examples, What is Molar Mass?

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