Web8. The molar mass of H2SO4 is 98.08 g/mol. To calculate the mass of H2SO4 needed to make a 750.0 mL solution with a concentration of 2.00 M, we need to use the formula: mass = moles x molar mass. First, let's calculate the number of moles needed: moles = molarity x volume. moles = 2.00 M x 0.7500 L. moles = 1.50 mol. http://www1.lasalle.edu/~prushan/Potentiometric-lab6.pdf
Phosphate Ion (PO₄³⁻) - Chemistry LibreTexts
WebIn aqueous solution phosphoric acid behaves as a triprotic acid. H3PO4 ⇌ H2PO− 4 + H+, p Ka1 = 2.14 H2PO− 4 ⇌ HPO2− 4 + H+, p Ka2 = 7.20 HPO2− 4 ⇌ PO3− 4 + H+, p Ka3 = 12.37 WebFeb 28, 2024 · 1.72 mols HCl x 1 mol H3PO4 / 5 mols HCl = 0.344 mols H3PO4 0.344 mols H3PO4 x 98.0 g H3PO4 / mol = 33.7 g H3PO4 Upvote • 0 Downvote Add comment Report Still looking for help? Get the right answer, fast. Ask a question for free Get a free answer to a quick problem. Most questions answered within 4 hours. OR Find an Online Tutor Now do new computers come with word and excel
How many hydrogen atoms are in 0.1488 g of phosphoric acid, …
WebQuestion: How many hydrogen atoms are in 0.1488 g of phosphoric acid, H3PO.? atoms A 6.022 x 1023 mol H 0.1488 SHPO. х 2.743 x 1021 atoms STARTING AMOUNT 98.00 … WebJan 20, 2024 · The electropolishing behaviour of 73 brass was studied by means of a rotating cylinder electrode (RCE) in a 70 vol % H3PO4 solution at 27 °C. Owing to the formation of a blue Cu2+-rich layer on the brass-RCE, an obvious transition peak was detected from kinetic- to diffusion-controlled dissolution in the anodic polarisation curve. … Web2 days ago · How many mL of 3.000 M Mg (OH)2 solution are needed to react with 2.000 L of 3.000 M H3PO4? 2 H3PO4 + 3 Mg (OH)2 6 H₂O + Mg3 (PO4)2 This is a titration … do new computers come with word