ST5H.1- Suppose the mean ionic activity coefficient for the ions M2* and X1 of the ionic compound M1X2 is Y± = 0.791. If we could somehow magically know that y+ = 0.888 then what is y_? Type your answer..
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- 10. How does Sn O2(s) break up in solution? Write subscripts and superscripts as normal numbers and do not include spaces in your answer. Do not include states like (aq) or "1" in front of single atoms or charges. For example, the answer for NiCl3(s) would be Ni3++3Cl- For example, the answer for Sb3(PO4)5(s) would be 3Sb5++5PO43- Possibly relevant polyatomic ions: CN-,OH-, NO3-, NO2-, ClO3-, ClO4-, CO32-, SO42-, CrO42-, Cr2O72-, PO43-, PO33- Screen Reader User: For example, the answer for NiCl3(s) would be Ni3++3Cl minus For example, the answer for Sb3(P O4)5(s) would be 3Sb5++5PO43 minus Possibly relevant polyatomic ions: CN minus,O H minus, N O3 1 minus, N O2 1 minus, Cl O3 1 minus, Cl O4 1 minus, C O3 2 minus, S O4 2 minus, Cr O4 2 minus, Cr2 O7 2 minus, P O4 3 minus, P O3 3 minusThe mean activity coefficient in an 0.050 molKg-1 LaCl3 (aq) solutions is 0.303 at 25 o C. What is the percentage error in the value predicted by the debye – Huckel limiting law?Estimate the mean ionic activity coefficient of NaCl in a solution that is 0.020 mol kg−1 NaCl(aq) and 0.035 mol kg−1 Ca(NO3)2(aq) at 25 °C.
- Estimate the mean ionic activity coefficient and activity of a solution that is 0.015 mol kg-1 MgF2(aq) and 0.025 mol kg-1 NaCI(aq).Calculate ionic strength and mean ionic activity coefficient of a 0.03 molal aqueous solution of sodium sulphate, Na2SO4.How many moles of solute particles are present in 1.64 mL of 0.458 M K2SO4? (the answer is 2.25E-3 but i would appreciate some insight on what steps to take!)
- What is the primary standards and its amounts, and indicators used for the Volumetric Solution (VS): 1N Sulfuric acid? And why?11. How does Sb3N5(s) break up in solution? Write subscripts and superscripts as normal numbers and do not include spaces in your answer. Do not include states like (aq) or "1" in front of single atoms or charges. For example, the answer for NiCl3(s) would be Ni3++3Cl- For example, the answer for Sb3(PO4)5(s) would be 3Sb5++5PO43- Possibly relevant polyatomic ions: CN-,OH-, NO3-, NO2-, ClO3-, ClO4-, CO32-, SO42-, CrO42-, Cr2O72-, PO43-, PO33- Screen Reader User: For example, the answer for NiCl3(s) would be Ni3++3Cl minus For example, the answer for Sb3(P O4)5(s) would be 3Sb5++5PO43 minus Possibly relevant polyatomic ions: CN minus,O H minus, N O3 1 minus, N O2 1 minus, Cl O3 1 minus, Cl O4 1 minus, C O3 2 minus, S O4 2 minus, Cr O4 2 minus, Cr2 O7 2 minus, P O4 3 minus, P O3 3 minusActivity coefficients become more important I. with smaller ions II. with larger ion charges III. at higher ionic strengths a. I only b. II only c. III only d. II & III e. I, II, & III
- How does Cr3P2(s) break up in solution? Write subscripts and superscripts as normal numbers and do not include spaces in your answer. Do not include states like (aq) or "1" in front of single atoms or charges. For example, the answer for NiCl3(s) would be Ni3++3Cl- For example, the answer for Sb3(PO4)5(s) would be 3Sb5++5PO43- Possibly relevant polyatomic ions: CN-,OH-, NO3-, NO2-, ClO3-, ClO4-, CO32-, SO42-, CrO42-, Cr2O72-, PO43-, PO33- Screen Reader User: For example, the answer for NiCl3(s) would be Ni3++3Cl minus For example, the answer for Sb3(P O4)5(s) would be 3Sb5++5PO43 minus Possibly relevant polyatomic ions: CN minus,O H minus, N O3 1 minus, N O2 1 minus, Cl O3 1 minus, Cl O4 1 minus, C O3 2 minus, S O4 2 minus, Cr O4 2 minus, Cr2 O7 2 minus, P O4 3 minus, P O3 3 minus Question 10 options:Lithium sulphate (Li2SO4) is a strong electrolyte. What is the freezing point depression of 2.00 m Li2SO4(aq) if the molal freezing-point depression constant for water is 1.86 oC/m? Enter your answer with correct units and significant figures.Prepare 0.1N H2SO4 solution of 250ml volume. (Density of H2SO4 is 1.84 and purity is 98 %)