4. A mixture containing only BaO (FW 153.33) and CaO (FW 56.08) weighs 2.00g. The oxides are converted to the corresponding mixed sulfates, which weighs 4.00g. Calculate the percent Ba (FW 137.33) and Ca (FW 40.08) in the original mixtures.

Q: Hardness in groundwater is due to the presence of metal ions, primarily Mg2+and Ca2+. Hardness is…

A: Hardness in groundwater is because of the presence of metal particles, essentially Mg2+and Ca2+.…

Q: 2 HyPOalaq) + 3 Mg(OH)2(ag) = Mga (P04/21s) + 6 H201 If 35.0 mL of 1.67 M HsP04 are reacted with…

A: This question is based on stoichiometry.

Q: A 0.2500-g of dry CaCO3 was completely dissolved into a solution of 5-mL conc. HCl and 50-mL…

A:

Q: Which compound has the highest solubility in pure water? O a. MGF2, Ksp = 6.9 x 10-9 %3! b. Agl, Ksp…

A:

Q: Analysis of a mixture consisting of NaOH + Na2CO3 + inert matter gives the following data: 10.00 g.…

A:

Q: An impure sample of KCIO, (FW = 122.5 g/mol) weighing 0.1353 grams was dissolved in 50.0 mL…

A: By considering balanced reaction for individual steps we can figure out mass of KClO3 present in the…

Q: 1) The following reaction was allowed to reach equilibrium at 25oC. Enclosed with the phase of each…

A: Since you have asked two question, we will solve first one for you. If you want other question to be…

Q: The aluminium in a 1.2 g sample of impure NH4Al (SO4)2 was precipitated as hydrous Al2O3. The…

A: The number of moles is defined as the ratio of the mass of a substance to its molar mass. Number of…

Q: When the equation CIO: (aq) + OH (aq) → CIO2"(aq) + CIO;"(aq) is balanced. what is the ration of the…

A: ANSWER

Q: On the first phase, which is prepared by dissolving some bromine (Br2) in 10 mL of carbon sulfur at…

A: Partition coefficient is the ratio of concentration of solute in organic phase to that in aqueous…

Q: The digestion of a 0.1159 gram sample of a phosphorous-containing compound in a mixture of HNO3 and…

A:

Q: 4.912-g sample of a petroleum product was burnedin a tube furnace, and the SO2produced was…

A:

Q: Caustic potash that has been exposed to air is found on analysis to contain 90.00% KOH, 2.38% K2CO3…

A:

Q: How do you write a net ionic equation for the formation of gas  ex Al2(SO4)3(NH4)2SO4 •24 H2O +…

A:

Q: What is the full equation (not the net ionic equation) for the chemical reaction of 0.001 M Fe(NO3)3…

A: 0.001 M Fe(NO3)3 plus 0.0002 M NaSCN diluted up to 10 mL with 0.1M HNO3

Q: In a routine Volhard analysis, a student dissolved a 1.2319-g sample of her unknown in 100 mL of…

A: The question is based on the concept of volumetric analysis. we have to quantitatively estimate…

Q: Using the following equation: Pb(SO4)2 + 4 LİNO3 → Pb(NO3)4 + 2 Li2SO4 How many grams of lithium…

A: The balanced reaction taking place is given as, Given: Mass of Lithium sulfate i.e. Li2SO4 to be…

Q: Nitrobenzene CH5NO2 (molar mass=123.11 g/mol), is quantitavely reduced to aniline C6H5NH2 with…

A: Given data mass of Impure nitrobenzene sample = 0.507 g mass of tin = 1.044 g mass of residual tin…