WebB. Bromide exists naturally as a mixture of bromide-79 and bromide-81 isotopes.An atom of bromide-79 contains how many protons,neutrons, and electrons? 35 protons,44 neutrons, 35 electrons. The atomic mass of rhenium is 186.2 .Given that 37.1% of natural rhenium is rhenium-185, what is the other stable isotope of the element rhenium? WebPure sulfuric acid has a specific gravity of 1.830 at 25 °C (77 °F); it freezes at 10.37 °C (50.7 °F). When heated, the pure acid partially decomposes into water and sulfur trioxide; the latter escapes as a vapour until the …

Solved 28. Phosphoric acid can be prepared by reaction of - Chegg

WebQuick conversion chart of grams H2SO4 to mol 1 grams H2SO4 to mol = 0.0102 mol 10 grams H2SO4 to mol = 0.10196 mol 20 grams H2SO4 to mol = 0.20392 mol 30 grams H2SO4 to mol = 0.30588 mol 40 grams H2SO4 to mol = 0.40784 mol 50 grams H2SO4 to mol = 0.5098 mol 100 grams H2SO4 to mol = 1.01959 mol 200 grams H2SO4 to mol = … WebExpert Answer Transcribed image text: 28. Phosphoric acid can be prepared by reaction of sulfuric acid with "phosphate rock" according to the equationi Ca3 (PO4)2 + 3H2SO4-3CaSO4 + 2H3PO4 How many oxygen atoms are there in 1.07 ng of Ca3 (PO4)2?! a. 2.08 x 1012 b. 8.31 x 1012 c. 1.66 x 1013 d. 5.15 x 1015 e. 1.66 x 1022 29. simply healthcare transportation number

Molar mass of *3H2SO4 - WebQC

WebApr 24, 2014 · How many oxygen atoms are in 3H2SO4? There are 12 oxygen atoms. The "3" means there are 3 molecules of H2SO4, so there are a total of 6 atoms of hydrogen, 3 atoms of Sulfur and 12... WebSep 1, 2024 · How many atoms are there in 3h2so4? Now as there are 3 molecules of sulphuric acid so 7×3 = 21 atoms in total. How many atoms are present in 200g of … Web35. How many atoms of He gas are present in a 450 mL container at 35°C and 740 mmHg? A) 0.017 He atoms D) 1.0 x 1022 He atoms B) 0.068 He atoms E) 7.9 x 1024 He atoms C) 1.2 x 105 He atoms Ans: D 36. Calculate the density, in g/L, of SF 6 … simply health cash back