Phosphorus can be prepared from calcium phosphate by the following reaction 2 Cas (PO)(s) + 6510()...
Phosphorus can be prepared from calcium phosphate by the following reaction: 2 Cas (POA),(s) + 6 SiO2 (s) + 10C(s) + 6 CaSiO2 (s) + P4(s) + 10 CO(9) Phosphorite is a mineral that contains Ca3(PO4), plus other non-phosphorus-containing compounds. What is the maximum amount of P4 that can be produced from 1.9 kg of phosphorite if the phosphorite sample is 75% Ca3(PO4), by mass? Assume an excess of the other reactants. Mass =
The element phosphorus can be made by reacting carbon in the form of coke with calcium phosphate, Ca3(PO4)2, which is found in phosphate rock. Ca3(PO4)2 + 5 C → 3 CaO + 5 CO + 2 P (a) What is the minimum mass of carbon, C, necessary to react completely with 66.34 Mg of Ca3(PO4)2? Mg (b) What is the maximum mass of phosphorus produced from the reaction of 66.34 Mg of Ca3(PO4)2 with an excess of carbon? Mg (c)...
Phosphoric acid, HiPO, is prepared from phosphate rocks by the following equation 11. 3CaSO4), Cas(PO)2(s) +3H, SOA2HPO can be produced from 1.00 x 10 kg of Ca (Pos, and excess of (a) How many kilograms of HsPO, (b) If all of H,PO, obtained in part (a) is converted into concentrated phosphoric acid solution, how ,so, if the yield is 92.0% many liters of concentrated HPO, will be produced? (Concentrated phosphoric acid has density 1.685 g/mL and contains 85.0% by mass...
Phosphoric acid can be prepared from calcium phosphate according to the following reaction: Ca3(PO4)2 (s) + 3 H2SO4 (l) → 3 CaSO4 (s) + 2 H3PO4 (l) 310. g/mol 98.0 g/mol 136 g/mol 98.0 g/mol [a] If 0.664 mole of Ca3(PO4)2 are combined with 1.53 mole of H2SO4, how many grams of H3PO4 can be produced? [4 pts] [b] If 62.6 g of H3PO4 is actually produced in the above reaction, what is the percent yield for the reaction? [2...
what is the mass of calcium phosphate that can be prepared from 1.78g of Na3PO4? Na3PO4(aq) + Ca(OH)2 (aq)---> Ca3(PO4)(s)+NaOH(aq)
DuPPY U111204) 20. Elemental phosphorous, P4, can be prepared by heating calcium phosphate, Ca3(PO4)2, with sand (silicon dioxide, SiO2) and coke (impure C). The balanced equation for this reaction is shown in Equation 18. d 2 Ca3(PO4), (s) + 6 SiO2(s) + 10C(s) + P (g) + 6 CaSiO3(s) + 10 CO(g) (Eq. 18) o What is th What is the percent yield of P, if 27.3 g of P4 are recovered from the reaction of 200 g of Ca3(PO4)2...
Explain how 350. mL of 0.650 molar calcium acetate can be prepared from solid magensium acetate? How would you prepare 1.75 liters of 0.750 molar sodium hydroxide if the course of sodium hydroxide was 3.5 liter bottle of 2.55 M sodium hydroxide? Calculate the maximum mass of sodium phosphate that can be recovered from 225 mL of 0.85 M aqueous sodium phosphate? Calculate the maximum volume of 1.25 M NaOH that can be neutralized by 4.00 liters of: 0.75 M...
- P4(s) + O2(g) P4O6(S) If a mixture of 75.3 g of phosphorus and 38.7 g of oxygen produce 43.3 g of P4O6, what is the percent yield for the reaction? Q4. Hydroxylamine hydrochloride is a powerful reducing agent which is used as a polymerization catalyst. It contains 5.80 mass % H, 20.16 mass % N, 23.02 mass % 0, and 51.02 mass % CI. What is its empirical formula? Determine the molecular formula of the compound with molar mass...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...