The empirical formula of a compound of phosphorus and oxygen was found to be P2O5. Experimentation shows that the molar mass of this compound is 283.89g/mol. What is the compound’s molecular formula?

Q: A solution contains 20.5 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: Calculate for the molarity if 2.46 L of solution contains 0.455 mol of solute. (2 SF)

A: Molarity can be calculated as following:

Q: During dilution, water is added to dilute the solution, so that the volume of the diluted solution…

A: Applying fundamental of molarity M= (n/Vml)×1000

Q: Calculate the molarity of the two solutions. The first solution contains 0.300 mol of NAOH in 1.10 L…

A: Since the molarity of solution is calculated using formula Molarity = Moles of compoundVolume of…

Q: How many milliliteres of 6.1 M HCL solution are needed to obtain 0.150 mol of HCl?

A: Given,6.1 M HCL solution are needed to obtain 0.150 mol of HCl.

Q: What is the molarity of pure water?

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…

Q: How many grams of solute are in 1.50 L of a 0.750 M Al2O3 solution?

A: Molarity: It can be defined by saying that the number of moles of the solutes dissolved per liter of…

Q: Why are molarity per liter solution as opposed to moles per liter of water or solvent?

A:

Q: Calculate the mass percent of a vinegar solution with a total mass of 96.04 g that contains 2.21 g…

A: Mass percent of a component in a given solution is equal to mass in grams of the component present…

Q: A metal alloy is made up of elements X and Y. The mass of a sample of the metal is 15.3 g. Metal X…

A: The given data: The mass of the metal alloy = 15.3 g The mass of the metal X = 4.1 g To determine =…

Q: How many grams of HCl are in 100.0 mL of 12.0 M HCl solution?

A: Given that, volume of HCl solution is 100 mL and molarity is 12.0M (i.e, 12 mol/L). The molarity is…

Q: Given the amount of solute 30 mL isopropyl alcohol and the amount of solvent 70 mL water, what is…

A: Given,  Volume of solute that is isopropyl alcohol = 30 mL  Volume of solvent that is water = 70 mL…

Q: The ideal mixture of two aqueous solutions of HNO3 is made by means of 100 mL of solution with 20 g…

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: Calculate the molarity if 136 grams of NaCl is dissolved in water to make exactly one liter of…

A: Since the molarity is defined as  Molarity = moles of solute / Volume of solution in L Since solute…

Q: Calculate molarity of a solution, having solute 8.5grams, dissolved in 14.7L of solution. Molar Mass…

A: I am providing you an image that comprises the concept and calculation for your better understanding

Q: What is the Molarity of of the BaCl2 solution? volume BaCl2=25.0 mL moles BaCl2=0.0024

A: The molarity (M) of the solution that contains the available moles of the solute is determined as…

Q: Calculate for the molarity if 250. mL of solution contains 2.974 mol of solute (3 SF)

A: Molarity of any solution is the no. of mol of solute present in 1 L of solution. Volume of the…

Q: Baking soda and vinegar react according to the following chemical equation:…

A: Moles of baking soda is calculated for the given reaction as follows,

Q: When making a solution, the container gets hot. This is an example of an endothermic process O…

A:

Q: Indicate how many particles (ions) are formed when the following solutes dissolve: SOLUTE # OF…

A:

Q: For each of the following HNO3 solutions, the volume of the solution and its molarity are given.…

A: The molarity (M) of a solution is calculated by the formula: M=nV (mL)×1000 Here, n is number of…

Q: percent by mass

A:

Q: A solution is make by dissolving 3.88g of NaCl in enough water to make 67.8 mL of solution. What is…

A:

Q: What is the percent by mass of 86.3 g of sodium chloride dissolved in 918.6 g of water ?

A: The mass percent of a component present in the mixture is calculated by dividing the mass of that…

Q: Given the following concentration in molar units calculate the concentration in mg/L. 0.066 M H2SO4

A:

Q: 50.0 mL of a 6.0 M stock solution of K2SO4 is diluted to make a 2.0 M solution.  How many mL of…

A: Given data: Volume (V1) = 50.0 mL Molarity (M1) = 6.0 M Molarity (M2) = 2.0 M Volume (V2) = ?

Q: A solution contains 69.8 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Weight of NaCl = 69.8 gm Total mass = 126.1 gm -> molality is number of moles of solute in 1 kg…

Q: The molecular weight of sodium bicarbonate is 84 grams/mole. 20 grams of NaHCO3 are added to 250 ml…

A:

Q: What is the concentration of a solution that has 3.5 moles of sodium chloride that is dissolved to…

A: Given --> Moles of sodium chloride = 3.5 mol  Volume of solution = 0.048 L  Concentration of…

Q: 49. This is the principle that best describes the colligative property represented by the…

A: Q 49) Lowering of vapour pressure of the solution happens when a non-volatile solute is added to the…