WebAug 19, 2024 · The molality of the solution is nearest to (Given: Atomic Weights are H, 1u ; C, 12u ; O, 16u) (A) 1.03 (B) 2.06 (C) 3.09 (D) 5.40 jee main 2024 1 Answer +1 vote … WebR=210g R=540g/L. 10. Uma solução contém 300 g de ácido acético ( C2H4O2) formando 1250 mL de solução. Calcule suas molaridade e concentração comum. ( C=12u, H= 1u, O= 16 u). R=240g/L R=4M. 11. Qual a molaridade de uma solução que contém 1,96g de ácido sulfúrico diluídos em 20 mL de solução? (H=1u, S= 32u, O= 16u ).
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WebAug 20, 2024 · There is a subscript of 3 after C, another of 8 after H, and another of 2 after O. Therefore, there are 3 moles of carbon, 8 moles of hydrogen, and 2 moles of oxygen in every mole of the compound. Multiply the element's molar mass by the subscript. ... Solution:-C=12u; H=1u; O=16u; Advertisement Advertisement New questions in Chemistry. WebAug 3, 2024 · El aluminio : es un elemento térmico o material moldeable que se utiliza en envoltorios, en utensilios de cocina y en materiales de carro. El objetivo de nuestro grupo es dar a conoces algunos de los elementos de la tabla periódica ya que nosotros consideramos que esto es de gran importancia. subtracting with negative integers
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WebAbout. Celsius, or centigrade, is used to measure temperatures in most of the world. Water freezes at 0° Celsius and boils at 100° Celsius. Fahrenheit is a scale commonly used … WebMar 16, 2024 · Mass of C = 54.2 g. Mass of H = 9.2 g. Mass of O = 36.6 g. Molar mass of C = 12 g/mole. Molar mass of H = 1 g/mole. Molar mass of O = 16 g/mole. Step 1 : convert given masses into moles. Moles of C = Moles of H = Moles of O = Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated. For C = For … WebThe molecular formula of glucose is C 6H 12O 6. Calculate its molecular mass ( Atomic mass : C=12u:H=1u;O=16u ) Calculate the molecular mass of chloroform (CHCl 3). subtracting with scientific notation