WebSolution The correct option is A 6.023×1019 As we know, density is equal to mass upon volume. We know density of water = 1 gml−1. Hence for water 1 g = 1 ml and 0.0018 ml … Web10 okt. 2000 · Water is H 2 O, which has a molecular mass of 18.015 g/mole, so 50 mg of water contains 2.775 millimoles (mM). According to Avogadro's number, one mole of any compound contains 6.022 x 10 23 molecules, so 2.775 mM of water has 1.67 x 10 21 H 2 O molecules. In American notation that means: There are 1.67 sextillion molecules of H …
How Many Molecules In H2O » Theblogy.com
Web7 okt. 2024 · So, when we arrive to the electron transport chain, we have a negative balance of 2 water molecules, and we have 10 N A D H X + and 2 F A D H X 2. We have been told that for every of these molecules 2 electrons go to the electron transport chain, that means that a total of 24 electrons go to the system. The problem comes here: Web2 mei 2024 · Water may be a basic requirement for life on Earth, but the compound is far from simple. Although a single molecule of water is composed of one atom of oxygen … flying cruise ship illusion
Specific heat, heat of vaporization, and density of water
Web27 apr. 2024 · Best answer Mass of 1 drop of water = Volume x density = 0.04 ml x 1.0 g/mol = 0.04 g Molecular mass of H2O = 2 x 1 + 16 = 18 μ One mole of H2O weighs 18 g and contains 6.023 x 1023 H2O molecules. Number of H2O molecules in 0.04 g H2O = {6.023 x 1023 molecules}/ {18 g} x 0.04 g = 1.3384 x 1023 molecules Web22 jul. 2024 · How many molecules are there in one mole of H2O? 6.022 x 1023 moleculesFor example: H2O has two hydrogens and one oxygen. The atomic mass of … Web22 jul. 2024 · How many molecules are there in one mole of H2O? 6.022 x 1023 moleculesFor example: H2O has two hydrogens and one oxygen. The atomic mass of hydrogen is 1.0078 and the atomic mass of oxygen is 15.999 so the mass of a mole of water is 2 x 1.0078 + 15.999. Therefore a mole of water or 6.022 x 1023 molecules … greenlight nevada highway patrol 1989