How many grams of CaCl₂-2H₂O are needed to prepare 200 mL of a 0.2 M CaCl₂ solution? 1 mole of CaCl2-2H₂O equals to: Equation: CaCl2-2H₂O required in grams with one decimal places:

Q: How many equivalents is 0.044 moles potassium hydroxide

A: According to stoichiometry in chemistry, one equivalent of any substance is the amount of any…

Q: What Is the freezing of a solution c

A: The change in freezing point is calculated by,⊿Tf=Kf×mwhere,⊿Tf=change in freezing pointKf=Freezing…

Q: How many equivalents of Mg2+ are present in a solution that contains 7.71 mol of MgCl,?

A: Magnesium chloride dissociate as ., MgCl2  ⇌  Mg2+ + 2Cl-

Q: True or False: The equivalent mass is always larger in value than the molar mass.

A: Given statement :-  The equivalent mass is always larger in value than the molar mass.

Q: if an ammonia and water solution is 0.378 m how many g of ammonia are present in 7.07 kg of water?

A:

Q: What volume of each solution contains 0.15 mol of KCl? 1. 0.209 M KCl Express your answer using…

A: Given, moles of KCl  = 0.15 mol Volume of each solution = ? 1. 0.209 M KCl 2. 2.0 M KCl   3. 0.815 M…

Q: How many milliliters of a 0.22 M sucrose solution contain 0.750 g sucroseZ?

A:

Q: Calculate the mass percent of a vinegar solution with a total mass of 95.20 g that contains 2.65 g…

A: Mass percentage of a solution: The mass percentage of a solution is calculated as follows- The mass…

Q: The number of grams of LiI (lithium iodide) present in 2.86 L of a 0.215 M LiI solution is:   a…

A: Volume of LiI solution = 2.86 L Molarity of solution = 0.215 M

Q: 10g

A: According to the question, we have 10 grams of NaCl in 600 g of solution. We need to calculate the…

Q: You need to make an aqueous solution of 0.177 M magnesium bromide for an experiment in lab, using a…

A:

Q: What mass of KBr is required to produce 0.943 L of a 1.11 M KBr solution?  The molar mass of KBr is…

A: The amount of KBr required to produce .943L of a 1.11M KBr solution is given below.

Q: Molarity : (The molar concentration of a solution of a solute species ) is the number of moles of…

A: We have to tell whether the statement is true or false.

Q: A solution containing 344g silver nitrate is mixed with 75ml of a 400 mol/l solution potassium…

A: First we need to write the balanced chemical of the reaction of silver nitrate with  potassium…

Q: e molality of lithium hydroxide ins

A:

Q: In a closed system (a closed round-bottom flask), does molarity change with temperature? Why or why…

A: Molarity of any gas is defined as the

Q: A .9M solution of magnesium chlorate is prepared with 40g of magnesium chlorate how much water was…

A: Given: Mass of magnesium chlorate (Mg(ClO3)2) = 40.0 g Concentration of Mg(ClO3)2 = 0.9 M Molar mass…

Q: How many millimeters of a 0.49M sucrose solution contain 504g sucrose?

A: Introduction If the value of molarity of any particular solution and mass of the solvent is given,…

Q: Which of the following is the definition of molarity? O moles of solute/1000 grams of solvent O…

A: We need to find Which of the following is the definition of molarity:-

Q: If 20.0 grams of an aqueous solution of copper(II) sulfate, , contains 2.20 grams of copper(II)…

A: we have to calculate the weight/weight percent of copper(II) sulfate in the solution

Q: How many grams of solute are present in 225 mL of 0.330 M KBr? mass of solute: * TOOLS X10

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: A chemist wants to make 2.5 L of a 0.100 M KCl solution. How much KCl in grams should the chemist…

A: 2.5L = 2500ml 0.1 M = 1/10 M Molar mass of KCl = 74g 1M 1000ml solution = 74g of KCl

Q: How many millilitres of 0.25 M sucrose solution contains 50.0 mg of the solute? Formula:  Molarity =…

A:

Q: A solution is 6.25% by mass Na2SO4. How many moles of Na2SO4 are in 370.0 g of solution? (SHOW…

A: Mass of Na2SO4 present in 370 g of solution = (6.25 / 100) x 370 = 23.125 g

Q: Which of the following statements defines molarity? Group of answer choices Moles of solute per…

A: Molarity is measure of concentration of solution.

Q: How many mL of 6.0 M hydrochloric acid, HCI (fw 36.45), are required to prepare 1.25 liters of 0.75…

A: When we dilute a concentrated solution with pure water, the mole of the solute remains constant in…

Q: Calculate the mass percent of a vinegar solution with a total mass of 97.67 g that contains 3.73 g…

A: the mass percent of solution = mass of analyte * 100 / mass of solution i.e. the mass of solute…

Q: How many grams of Na2CO3 is present in 0.680 L of 0.704 M Na2CO3 solution? Do not include unit. Keep…

A:

Q: In order to prepare 50.0mL of 0.100M NaCl you will add how many grams of NaCl to how many mL of…

A: Volume of NaCl = 50.0 ml  Molarity of NaCl = 0.100 M  Mass of NaCl = ?  Volume of water needed to…

Q: A saturated solution of a compound contains .15g of solute in 100 g of water.  Is a second solution…

A:

Q: You need to make an aqueous solution of 0.233 M zinc sulfate for an experiment in lab, using a 250…

A: We know that Molarity of the solution is defined as the number of moles of solute present in 1 L of…

Q: How many equivalents of Mg2* are present in a solution that contains 7.71 mol of MgCl2?

A: Equivalent is equal to the product of the no. of moles and the no. of cations. Number of atoms, ions…

Q: The amount of chemical that will dissolve in a solution increases exponentially as the temperature…

A: Calculate : At what temperature will 15 grams dissolve?

Q: A concentrated (stock) HNO, solution is 70.3% by mass and has a density of 1.41 g/mL. How much of…

A:

Q: How many mL of solution are present in a sample containing 50.0 g of  solute if the solution is a…

A: Mass by volume percent is defined as the mass of solute in grams divided by the volume of solution…

Q: How many liters of a 1.25 M aqueous solution of glucose solution contains 3.25 moles of glucose?…

A:

Q: For the following reaction: H₂CO3 + 2 NaOH Na2CO3 + 2 H₂O Calculate the normality of a solution that…

A: we have to calculate the normality of solution

Q: How many grams of NaCl are in a 5.89 mol/kg solution that was made from 979.5 g of water?

A:

Q: What mass of C12H22011 (sucrose) Is needed to prepare 255 mL of a 0.570 M solution of sucrose in…

A: given data is  volume is 255ml concentration is 0.570M

Q: How many grams of potassium nitrate are in 11 ml of a 1.25 M solution?

A:

Q: Molarity of unknown oxalate solution, M:                          Average concentration of oxalate…

A: The The question is based on the concept of titrations.   we are titrating  a oxalic acid with a…

Q: Examine the components of the solution below. Which term best describes the salt?

A: * Nacl is known as sodium chloride * It is a ionic compound and soluble in water

Q: molarity of th

A:

Q: What is the concentration (molarity) of a solution created by dissolving 151.2 grams of KCl to…

A:

Q: View Policies Current Attempt in Progress How many milliliters of 0.145 M NaCl solution must be…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".