WebDivide the component's molar mass by the entire molecular mass. You will now have a number between 0 and 1. Multiply it by 100 to get percent composition! Tips for solving: The compounds will always add up to 100%, so in a binary compound, you can find the % of the first element, then do 100%- (% first element) to get (% second element) WebAug 5, 2024 · 48K views 2 years ago To find the correct oxidation state of S in Na2S2O3 (Sodium thiosulfate), and each element in the compound, we use a few rules and some …
5.4: Titrations - Chemistry LibreTexts
WebApr 19, 2024 · Excess Chlorine is destroyed by its reaction with Sodium Thiosulfate (Na2S2O3) according to the unbalanced equation Na2S2O3 + Cl2 + H2O → NaHSO4 + HCl. * How many moles of Na2S2O3 are needed to react with 0.40 moles of Cl2? A. 0.10 mol Na2S2O3 B. 0.20 mol Na2S2O3 C. 0.30 mol Na2S2O3 D. 0.40 mol Na2S2O3 E. 0.50 mol … WebConvert between Na2S2O3*5H2O weight and moles Elemental composition of Na2S2O3*5H2O Formula in Hill system is H10Na2O8S2 Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use: Any chemical element. eastwick school holidays
Sodium thiosulfate - Wikipedia
WebMay 14, 2024 · N-factor Is the change of atom oxidation state multiplied by number of atoms changing this state. Therefore, n-factor of I X 2 is 2, n-factor of N a X 2 S X 2 O X 3 … WebQuestion: Consider the following balanced redox reaction. 2S2O32- + I2 → 2I- + S4O62- How many moles of I2 can be consumed by 1.45 mL of 0.15 M Na2S2O3? This problem has … WebMar 25, 2024 · To calculate the molar mass of sodium thiosulfate, Na2S2O3 , we need to find all the molar masses of the elements, and add them together. Na has a molar mass of 23 g/mol . So, Na2 will have a molar mass of 23 g/mol⋅2=46 g/mol . See also How Much Is A Flash Mob? Update New How many moles are in thiosulfate? cummings realtors severna park