Question 19 Using the solubility rules in your Reference Tables (page 6), which of the following reactions would occur? O 3AGNO3 + K3PO4 --> Ag3PO4 + 3KNO3 O Ca(NO3)2 + 2HCI --> CaCl2 + 2HNO3 O 3CuBr3 + 2AICI3 --> 3CUCI2 + 2AIBR3 O CaBr2 + 2KNO3 --> Ca(NO3)2 + 2KB Next
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- 2. Write all mass balance (MB) and charge balances (CB) equations for the following: (1) 0.2 M K3PO4 + 0.3 M H3PO4 (2) 0.3 M NaAc + 0.1 M sucrose ( Note: Sucrose is C12H22O11, a non-electrolyte )1. A sample that weighed 0.8112 g is analyzed for phosphorus (MM= 30.9738 g/mol) content by precipitating the phosphorus as magnesium pyrophosphate, Mg2P2O7 (MM = 222.555 g/mol). If the precipitate weighs 0.5261 g, what is the percent of P in the sample?Required to answer. Single line text. 2. A 1.000 g sample containing sodium oxalate,Na2C2O4 (MM=126 g/mol) is titrated with 40.00 mL of 0.0200 M potassium permanganate, KMnO4 in acid solution. Calculate the percentage of sodium oxalate in the sample.Required to answer. Single line text. 5 moles C204 2 MNO4 +16HGravimetric analysis. Please show complete solution. Thank you Question: A 3.00- g sample of an alloy (containing only Pb and Sn) was dissolved in nitric acid (HNO3). Sulfuric acid was added to this solution, which precipitated 1.69 g of PbSO4. Assuming that all of the lead was precipitated, what is the percentageof Sn in the sample?
- CHEMISTRY (Please write the complete solution legibly. No long explanation needed. Answer in 2 decimal places. Box the final answer.) Solve the following: a. Calculate the molarity of hydrochloric acid, HCl, in a solution if 25.00 mL of that solution required35.74 mL of 0.1522 M KOH for complete neutralization in a titration. (Answer: 0.2176 M) b. When aqueous solutions of Ba(NO3)2 and K2SO4 are mixed, a precipitate of BaSO4 results. Writethe molecular, ionic, and net ionic equation for this double displacement reaction. c. 8.50 g of copper (II) sulfate pentahydrate, CuSO4∙5H2O, is dissolved in 250 mL of solution. Whatis the molarity of this solution?Need help with question 7 but 4-6 are here for context, thank you. Question 4 A standardized iron (II) solution that is 0.224 M in Fe2+ was used to determine the concentration of permanganate in solution. If the titration required 31.2 mL of Fe2+, how many moles of permanganate ion are present in solution? The pertinent balanced chemical equation is: MnO4- (aq) + 5 Fe2+ (aq) + 8 H+ (aq) --> Mn2+ (aq) + 5 Fe3+ (aq) + 4 H2O (l). Question 5 A standardized iron (II) solution that is 0.224 M in Fe2+ was used to determine the concentration of permanganate in solution. If the titration required 31.2 mL of Fe2+, how many moles of permanganate ion are present in solution? The pertinent balanced chemical equation is: MnO4- (aq) + 5 Fe2+ (aq) + 8 H+ (aq) --> Mn2+ (aq) + 5 Fe3+ (aq) + 4 H2O (l). Question 6 An ore containing solid titanium was processed so that it would yield titanium (IV) permanganate. A titration with an iron (II) standard was performed that indicated that…Gravimetric analysis. Please show complete solution. Thank you. Question: In the analysis of 0.7011 g of an impure chloride containing sample, 0.9805 g of AgCl were precipitated. What is the percentage by mass chloride in the sample?
- Write the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous solution. Phases are optional. neutralization reaction: Suppose 0.250 L0.250 L of 0.500 M H2SO40.500 M H2SO4 is mixed with 0.200 L0.200 L of 0.200 M KOH0.200 M KOH. What concentration of sulfuric acid remains after neutralization?What is the Molarity of KOH if a (2.3400x10^1) mL sample requires (4.27x10^1) mL of (3.6000x10^-1) M HNO3 in a titration experiment? Hint: Be sure to first write the balanced reaction. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations.Hi what is the net ionic equation when Barium is mixed with SCN^-? and net ionic equation when Barium is mixed with NO3? and when Barium is combined with CO3^-2? and when Barium is combined with SO4^-2? and when Barium is combined with Cl^-? and when Barium is combined with OH^-? and when Barium is combined with NO3^-? all solutions are kept in water/or diluted with water. thanks!
- How many grams of sample which contains 18.00% Na2O (61.98) should be taken for analysis in order to obtain a precipitate of Na3AsO3 (191.89) which weighs 0.3000 g?Write the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous solution. Phases are optional. neutralization reaction: Suppose 0.950 L0.950 L of 0.440 M H2SO40.440 M H2SO4 is mixed with 0.900 L0.900 L of 0.230 M KOH0.230 M KOH. What concentration of sulfuric acid remains after neutralization? concentration: M H2SO4How many mL of a 0.218 M Na3PO4 solution are required to precipitate all the calcium ions in a 395 mL of a 0.254 M CaCl2 solution. Go to 3 sig figs and do not use scientific notation