Solve the Number of atoms comparison with this kind solution format: Example: Al + O 2 Al 2 O 3 __Al + ___O 2 ___Al 2 O 3 4Al + 3O 2 2Al 2 O 3 4Al + 6O 4Al + 6O    = Number of atoms comparison/Balanced   7) 1CuSO 4 + 2 HCN > 1Cu(CN) 2 + 1 H 2 SO 4 8) 1Ga 2 O 3 + 6Li > 3Li 2 O + 2 Ga 9) 1 BaF 2 + 1Na 2 S > 1BaS 2 + 2NaF 10) 2 NH 3 >1 N 2 + 3 H 11) 1 Br 2 + 2NaF > 1F 2 +2____ NaBr

Q: 19. Consider the solubility curve of KCl at 60°C in 400 grams of H2O to make 350 mL solution. i)…

A: From the solubility curve of KCl, Solubility of KCl at 60o = 45 g per 100 g of water

Q: If aqueous solutions of the following electrolytes all have the same concentration, which solution…

A: Answer:Here:

Q: If 2 grams of KOH are dissolved in 998 g of water, the mass % of the solution will be 0.2 998 2/998…

A: Mass percentage of solute is defined as the ratio of the mass of solute and mass of solution…

Q: What volume ( in mLs) of 6.0 M HCl is required to react with 10.0 g of K2CO3?

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: What mass of NaCl is needed to prepare a 500.0 mL solution with a concentration of 0.450 M? Molar…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: Which of the following chemical are most likely to mix into a solution? Nitrogen gas, N₂,and HF BH3…

A: For a chemical to be mix in a solution, the chemical must be polar in nature, so that it can form…

Q: What is the molarity of 0.8 moles of KCI in 2 liters of solution?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Consider the molecule tetrahydrocannabinol (?21?30?2), or THC: How many moles of THC are present…

A:

Q: 2.47 mol of NH3 is add to a solution of 1.5 L, 0.045 M X(NO,)2. What is the resulting concentration…

A: In the reaction Kf represents the formation constant of the compound. It can be determined by the…

Q: 1. If 2.5 moles of NaCl are dissolved in water to make 1.5 liter of solution, what is the molarity…

A: Molarity(M): The no. of moles of a solute in one liter of the solution is called as molarity. The…

Q: To dilute a HCI solution from 0.500 M to 0.100 M, the final volume must be: O 5 times the original…

A:

Q: 6. What volume of a 0.65 M solution of sodium chloride could be formed with 0.43 mol of NaCl?

A: Molarity = number of moles / volume of solution (in L) Volume = number of moles/molarity of solution…

Q: Enter your answer in the provided box. Calculate the molarity of a solution prepared by diluting…

A: Dilution equation:                                        M1V1=M2V2 Where, M1= initial molarity M2=…

Q: 10. The concentration of a toxicant in the Great Lakes was 17ppm. What is the percent concentration…

A: When the amount of solute is very less in the solvent it can be calculated in terms of parts per…

Q: Assuming that a compound has a formula weight of 24 g/mole, how much should you weigh to make one…

A: Given: The formula weight of a compound = 24 g/mole We have to find the mass of the compound needed…

Q: In a chemical equation H3C6H5O7 + 3NaOH -> Na3C6H5O7 + 3H2O What is the molarity of H3C6H5O7 given…

A: Concentration (molarity) of a compound in the solution represents the number of moles of the…

Q: Balance these equation with this kind solution format: Example: Al + O 2 Al 2 O 3 __Al + ___O 2…

A: fallowing are balanced reactions  11) Br 2 + 2 NaF     F 2 + 2 NaBr 12) 2 HOH +  PbCl 2   …

Q: How can you tell the difference between a saturated solution and an unsaturated solution .

A: The term solution is the liquid state of matter in which solute is present in less amount as…

Q: Two part question. Fill in blanks A. What is the pOH of an aqueous solution of 8.69×10-2 M barium…

A: Given data,for part AMolarity of Ba(OH)2=8.69×10-2Mfor part BpOH of KOH=4.800

Q: calculate the final volume of a 0.0315M solution prepared by diluting 32.5mL of 0.153M lithium…

A: A question based on concentration terms. The volume of the final solution after being diluted is to…

Q: Find the mass of each substance. show solution 1.50 mol C5H12 0.780 mol Ca(CN)2 7 mol H2O2 5.60 mol…

A: In this question we have to tell the mass of the each substance.

Q: What is the molarity of a 4.00% by mass hydrochloric acid

A:

Q: convert the concentration of .700 M Na2SO4 to g/ML

A: The concentration of Na2SO4 is given 0.7 M = 0.7 mol/L

Q: Calculate the molarity of a concentrated solution of hydrochloric acid that i by mass HCI; the…

A:

Q: mass percent

A:

Q: If 0.0620 mol CaCl₂ is dissolved in water to make a 0.130 M solution, what is the volume of the…

A: Molarity is defined as the moles of solute divided by the volume of solution in liters=> molarity…

Q: Enter your answer in the provided box. A sample of concentrated nitric acid has a density of 1.41…

A: 70.0% of HNO3 means that 70.0 g of HNO3 is present in 100 g of solution. Let's say we have 100 g of…

Q: When 75.0 mLof a solution containing 1.25M CaCl, is diluted to 100.0 mL, how many moles of CaCI2 are…

A: On dilution, the number of moles of solute (CaCl2) remains the same. The dilution affects the…

Q: The concentration of PO4 ions in (M) found in a solution of 3 M H3PO4 is (Ka1= 7.1X10 3, Ka2…

A: To calculate the degree of dissociation into 3 seperate equation using the given information.

Q: Calculate the number of grams of barium iodide needed to make 0.540 L of 0.107 M BaI2

A: Given :  For BaI2 Mass (m) = ? Molar Mass (MM) = 391.14 g mol-1 Volume of solution (V) = 0.540 L…

Q: What is the molarity of the solution when 250 mL of distilled water is added to 75 mL of 6M HNO3…

A: Dilution formula: M1V1 = M2V2 where, M1 = Molarity of the concentrated solution V1 = Volume of the…

Q: What is the molarity of a 4.00% by mass hydrochloric acid solution? The density of the solution is…

A: Answer: option c. 1.12 M is the molarity of HCl solution.

Q: Calculate the number of moles and the mass of the solute in each of the following solutions:   (b)…

A: Given: Concentration of H2SO4 = 2.2 × 10-5 M Volume of solution = 75.0 mL = 0.075 L…

Q: npleted 25 out of 36 Submit on 8 of 36 A sample of an ideal gas has a volume of 3.80 L at 12.60 °C…

A:

Q: How many g AI will react with 24.0mL of 1.22 M H2SO4? 2AL (S) + 3H2SO4 (aq) -> AI2(SO4)3 (aq) +…

A: Given:Molarity of H2SO4 = 1.22 M.Volume of H2SO4 = 24.0 mLChemical reaction:2AL (S) + 3H2SO4 (aq)…

Q: Hydrate find the % of water CoCl3.      3H2O

A: A numerical problem based on finding percentage of hydration, which is to be accomplished.

Q: What is the molarity of a solution containing 4.7 moles of acetic acid (CH3COOH) in 500 mL of water?…

A: Molarity (M) is a measure of the concentration of a solute in a solution, or of any chemical species…

Q: Find the molarity of each ion present after mixing 35 ml of 0.42 M K2SO4 with 27 ml of 0.17M K3PO4.

A: Molarity: It is the parameter that can be used to calculate the number of moles of solute that is…

Q: Which beaker(s) below shows a STRONG electrolyte? A H* НА H* A НА H* НА A- HĄ H* H* НА НА H* НА A-…

A: Strong electrolyte is an electrolyte that dissociates completely in the aqueous solution, producing…

Q: If 0.368 g of oxalic acid dihydrate is used to titrate 24.0 mL of sodium hydroxide solution, what is…

A: Balanced chemical equation for the given titration reaction:H2C2O4·2H2O + 2NaOH → Na2C2O4 +…

Q: Find the molarity of a 9.9M KOH solution if 71 ml of solution is diluted to 178 ml? 3.95m 0.25m O…

A: For dilution solutions we use formula  M1V1 = M2V2 M1= molarity  V1= volume

Q: 5. What is a saturated solution? O a solution where more solute than the maximum is dissolved in the…

A: We know that solution is of two types: Unsaturated solutions: These are the solution in which more…

Q: b) 1.881x10-3g of copper (II) sulfate in 122mL of solution

A:

Q: What mass of NaHCO (84.0 g/mol) is needed to prepare 500.00 mL of 0.050 M Na solution? 1. 05.04 g 2.…

A: Given that -  Molarity of the Solution of sodium  = 0.050 M  One sodium given by one Molecule of…