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. WebSep 19, 2024 · 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 atoms of oxygen. How many hydrogen atoms are present in 3H2SO4? 3 x...
3.9: Assignment—Composition of Substances and …
WebJan 7, 2024 · Explanation: H2SO4 is one molecule and the number 3 shows there are 3 molecules •There are 4 Al atoms in the formula 2Al2 (CO3)3 Explanation: It shows there are 2 molecules of Al2 (CO3)3 and each of those molecules has 2 Al atoms, so in total there are 2x2 Al atoms= 4 Al atoms •There are 9 Total atoms in the formula 3MgBr2 WebCaSO4 H3PO4 Ca3 (PO4)2 H2SO4 None of these choices are correct. Phosphoric acid can be prepared by reaction of sulfuric acid with "phosphate rock" according to the equation: Ca3 (PO4)2 + 3H2SO4 → 3CaSO4 + 2H3PO4 Suppose the reaction is carried out starting with 133 g of Ca3 (PO4)2 and 93.0 g of H2SO4. Which substance is the limiting reactant? CaSO4 cseet exam is for
Solved Consider the balanced equation of aluminum reacting
Web4.How many atoms of hydrogen are present in 7.63 g of ammonia? A) 2.70 1023 B) 1.52 1024 C) 1.38 1025 D) 8.09 1023 E) 1.12 1020 5.The molar mass of an insecticide, dibromoethane, is 187.9 g/mol. Its molecular formula is C 2 H 4 Br 2. What percent by mass of bromine does dibromoethane contain? A) 42.52% WebConsider the balanced equation of aluminum reacting with sulfuric acid. 2Al+3H 2 SO 4 -> Al 2 (SO 4) 3 +3H 2. Determine how many atoms of each element are present on each side … WebAug 27, 2024 · 3(NH4)2SO4 Kalikan jumlah molekul dengan indek atom Atom N = 3x2 = 6 Atom H = 3x4x2=24 Atom S = 3x1 = 3 Atom O = 3x4 = 12 dyson v10 animal on carpet