7. (8 points) Balance the chemical equation given below, and determine the number of milliliters of...
Balance the chemical equation given below, and determine the number of milliliters of 0.00300 M phosphoric acid required to neutralize 30.00 mL of 0.00150 M calcium hydroxide. _____ Ca(OH)2(aq) + _____ H3PO4(aq) → _____ Ca3(PO4)2(aq) + _____ H2O(l) 15.0 mL 2.02 mL 10.0 mL 22.5 mL
Consider this equation, describing a titration you performed during the electrolytes lab in Chem 151: 2 H3PO4 (aq) + 3 Ca(OH)2 (aq) → Ca3(PO4)2 (s) + 6 H2O (l) a) Calculate the volume of 0.0500 M phosphoric acid that would be required to exactly react with 20.0 mL of 0.100 M calcium hydroxide b) What mass of calcium phosphate will precipitate?
7) Titrate 20.0 mL of HNO3 with an unknown concentration with 15.4 mL of 0.300M NaOH. Determine HNO3 concentration. Neutralization equation of nitric acid (HNO3) with NaOH is: HNO3 + NaOH + H2O + NaNO3 8) Titrate 25.00 mL of Ca(OH)2 solution with unknown concentration with 15.65 mL of 1.50M H3PO4. Determine the Ca(OH)2 concentration. Neutralization equation of phosphoric acid with calcium hydroxide is: H3PO4 + Ca(OH)2 + H2O + Ca3(PO4)2 (unbalanced)
9. Write a balanced chemical equation for the neutralization of NH3(aq) with HCl(aq). 10. How many moles of sodium hydroxide (NaOH) are needed to neutralize 0.844 mol of acetic acid (HC2H3O2)? (Hint: begin by writing a balanced chemical equation for the process.) 11. How many moles of perchloric acid (HClO4) are needed to neutralize 0.052 mol of calcium hydroxide [Ca(OH)2]? (Hint: begin by writing a balanced chemical equation for the process.) 12. Hydrazoic acid (HN3) can be neutralized by a...
Given the following equation, calculate the mass of potassium hydroxide (in kilograms) required to completely react with 18.1 mol of phosphoric acid. H3PO4 + 3 KOH → K3PO4 + 3 H2O
Homework Acids and Bases Name: 1) Write in the products for this acid-base neutralization reaction, then balance the equation. HBr(aq) + Ca(OH)2(aq) → 2) A 8.00-ml sample of an H.PO, solution of unknown concentration is titrated with a 0.2090 M NaOH solution. A volume of 6.12 mL of the NaOH solution was required to reach the equivalence point. What is the concentration of the unknown H3PO4 solution? 3 NaOH + H3PO4 → Na3PO4 + 3 H20 3) What volume in...
18. (5 pts.) A 155.0 mL portion of aqueous phosphoric acid solution was completely neutralized by 45.38 grams of Lithium hydroxide. The chemical equation is: 3 LiOH (s) + H3PO4 (aq) → Li3PO4 (s) + 3 H2O (1) The concentration of the phosphoric acid, in molarity, is: (a) 4.075 M (b) 1.611 M (c) 11.40 M (d) 3.942 M
What mass (in g) of silver oxide, Ag2O, is required to produce 27.2 g of silver sulfadiazine, AgC10H9N4SO2, from the reaction of silver oxide and sulfadiazine? 2 C10H10N4SO2 + Ag2O → 2 AgC10H9N4SO2 + H2O A sample of 0.48 g of carbon dioxide was obtained by heating 1.24 g of calcium carbonate. What is the percent yield for this reaction? CaCO3(s) → CaO(s) + CO2(s) Determine the limiting reactant when 0.48 g of Cr and 0.72 g of H3PO4 react...
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)?
need help with number 74 Complete and balance each of the following double- replacement reactions. la) AgC2HO2(aq) +Srl2(aq) b) AIBr3(ag) +Na,CO3 (aq) Neutralization Reactions (Sec. 7.11) Write a balanced equation for each of the following neutral- 75 ization reactions. (a) Lithium hydroxide solution is added to carbonic acid. (b) Calcium hydroxide solution is added to nitric acid. 76. Write a balanced equation for each of the following neutral- ization reactions. (a) Potassium hydroxide solution is added to phosphoric acid. (b)...