QUESTION 18 A solution is made by dissolving 1.0x 10 3 M MgCl2 and 1.0x 10 3 M NaF MgF2(5)# Mg2+ (aq) +2Cl"(aq) Ksp=5.16× 10-11 Will a precipitate of MgF2 form? O Yes, Q< Ksp O No, Q < Ksp O Yes, Q> Ksp O No, Q> Ksp
Will a precipitate form when 35.0 mL of 0.25 M Mg(NO3)2 and 65 mL of 0.15 M NaF are mixed together? Ksp for MgF2 = 7.4 x 10". Your work must justify your answer. MgF2 (s) + Mg2+ (aq) + 2 F (aq) Calculate the Ksp for vanadium hydroxide if the solubility of V(OH), in pure water is 1.1 x 10-7 g/L. V(OH)35 V3+ + 3 OH Label each of the following salts as acidic (A), basic (B) or neutral...
Does a precipitate form when 0.100 L of 0.300 M Ca(NO3)2 is mixed with 0.200 L of 0.060 M NaF? Answer Show your work: In the problem above, what is the concentration of each ion in solution after the precipitation? Answer: [Ca2+] = [F] =
MgF2(s) <--> Mg2+(aq) + 2 F–(aq) In a saturated solution of MgF2 at 18 0C, the concentration of Mg2+ is 1.21 x 10–3 molar. The equilibrium is represented by the equation above. (a) Write the expression for the solubility-product constant, Ksp, and calculate its value at 18 0C. (b) Calculate the equilibrium concentration of Mg2+ in 1.000 liter of saturated MgF2 solution at 18 0C to which 0.100 mole of solid KF has been added. The KF dissolves completely. Assume...
100. mL of 0.200 M AgNO3(aq) is mixed with 61 mL of 0.100 M Na2S(aq). Calculate the mass (in g) of any precipitate that is formed. Enter your answer to 2 decimal places or O if no precipitate forms.
100. mL of 0.200 M AgNO3(aq) is mixed with 30 mL of 0.100 M Na2S(aq). Calculate the mass (in g) of any precipitate that is formed. Enter your answer to 2 decimal places or if no precipitate forms.
In a saturated solution of MgF2 at 16 °C, the concentration of Mg2+ is 1.44x10 –3 M The equilibrium is represented by the equation MgF2 -->Mg 2+ + 2 F-. A.Write the expression for the solubility product constant, Ksp. B.Calculate the value of Ksp at 16°C for MgF2 Note: Your answer is assumed to be reduced to the highest power possible. C.Calculate the equilibrium concentration of Mg2+ in 1.000 L of saturated MgF2 solution at 16°C to which 0.450 mole of...
help ASAP! when 25.0 ml of 0.100 M Co(NO3)2 is mixed with 45.0 mL 0.100 M KOH(aq), show by calculation whether a precipitate of Co(OH)2(s) will for. Ksp of Co(OH)2 is 1.3 * 10^-15
A solution of 0.1 L of 0.3 M Ca(NO3)2 is mixed with 0.2 L of 0.06 M NaF. Calculate the reaction quotient Qsp. Does calcium fluoride precipitate? (Ksp (CaF2) = 3.2×10–11). (A) Qsp = 1.6×10–4; no precipitate. (B) Qsp = 1.6×10–4; a precipitate will form. (C) Qsp = 3.2×10–11; no precipitate. (D) Qsp = 3.2×10–11; a precipitate will form. (E) Qsp = 3.2×10–7; no precipitate.
When 0.10 L of 8.0 x 103M Pb(NO3)2 is mixed with 0.40 L of 5.0 x 10-3M Na2SO4, will a precipitate form? (Ksp for PbSO4-6.3 x 107) PbSO4(s) = Pb2+ (aq) + SO42-(aq) O yes because Q<Ksp yes because Q> Ksp Ono because Q > Ksp Ono because Q<Ksp no because Q - Kup