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 pts]
[c] How many moles of excess reactant remain after the reaction is complete? [3 pts]
Phosphoric acid can be prepared from calcium phosphate according to the following reaction: Ca3(PO4)2 (s) +...
Suppose the reaction Ca3(PO4)2 + H2SO4 - CaSO4 + H3PO4 is carried out starting with 149 g of Ca3(PO4)2 and 86.9 g of H2SO4. How much phosphoric acid will be produced? ООО 86.8 g 57.98 235.9 g 130.28 94.18 C
One of the major uses of sulfuric acid is the production of phosphoric acid and calcium sulfate. The reaction is: Ca3(PO4)2(s) + 3H2SO4(aq) → 3CaSO4(s) + 2H3PO4(aq) What mass of concentrated sulfuric acid (98.0 % H2SO4 by mass) must be used to react completely with 155.9 g of Ca3(PO4)2?
A chemist fills a reaction vessel with 0.980 g calcium phosphate (Ca3(PO4)2) solid, 0.212 M calcium (Ca+2) aqueous solution and 0.119 M phosphate (PO4−3) aqueous solution at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy ΔG for the following chemical reaction: Ca3(PO4)2(s) 3Ca+2(aq)+2PO4−3(aq) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.
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...
Suppose the reaction Ca3(PO4)2 + 3H2SO4 - 3CaSO4 + 2H3PO4 is carried out starting with 127 g of Ca3(PO4)2 and 71.9 g of H2SO4. How much phosphoric acid will be produced? U ponuj Jove A 6.82-g sample of potassium chlorate was decomposed according to the following equation: 2KCIO3 + 2KCl + 302 How many moles of oxygen are formed?
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 =
Consider the balanced equation for the following reaction: 2H3PO4(aq) + 3Ca(OH)2(s) → 6H2O(l) + Ca3(PO4)2(s) How much excess reactant remains in the reaction if 7.83 moles of H3PO4 reacts with 1.53 moles of Ca(OH)2? 7.83 moles 2.61 moles 0.510 moles 6.30 moles 6.81 moles
Only the question 3 3 Ca(OH)2 + 2 H3PO4 ------- Ca3(PO4)2 + 6 H2O 2. How much calcium hydroxide (in grams) is required to react with 3.56 g H3PO4? 3. How much calcium phosphate will be produced (based on the quantities given in question 2)?
Question 24 1 pts Write the solubility product constant expression for calcium phosphate, Ca3(PO4)2 O [Ca2+][PO43-M[Ca3(PO4)2] O Ca2+1*[PO43-12 O [Ca2+][PO43-1 O [Ca2+12[PO43-13
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