Unknown Number: Molarity of KMNO4 Solution: O.127M Trial 4* Trial 2 Trial 3 Trial 1 Weight of Oxalate Unknown 0.76lg 0. 7439 0.7529 Starting Buret Reading: 0.0mL0.OmL 0.0mL Ending Buret Reading: 15.6 mL l15-3 mL IS.4 mL mL of Titrant Used: 15.6mL 15.3 mL l 15.4mL mmole of 1.98mmoll.94 mmole 1.96 mmol MnO4: mmole of C207: 8.64mmol844mm 54 mmol Weight of NazC204 in Unknown: T-13 NasC;0. in .160g T131 q 1.144 Percent NazC2O4 in Unknown:

Q: How many liters of 44.6N of H3PO4 are needed to prepare 750 ml of 7.4M? State the given, formula,…

A:

Q: How much volume (in ml) of 0.7 M HCl has the same number of moles as 35 ml of 2.5 M of HCI? - - Show…

A:

Q: Hi, How many mL of 0.115 N KOH would be required to react with a 1.150 gram sample of acid…

A: The normality of the solution can be expressed as:

Q: What is the molarity of HCl if 50.0 ml of the HCl solution dissolved 1.23 g of PbCO3

A: Molarity of the solution is equal to the number of moles of solute present in one liter of the…

Q: If a chemical reaction produces a mixture of 80% R and 20% S, what is the % ee?

A:

Q: a sample of calcium carbonate requires 22.50mL of 1.25MHCl to neutralize it , how many grams of…

A: Given information: Volume of the solution = 22.50 mL Concentration of the HCl solution = 1.25 M…

Q: How many moles of thiocyanate ion are there in 2.0 ml of 0.00400 M KSCN

A: Volume of solution = 2 ml = 0.002 l Molarity of solution =0.00400 M

Q: Which of the following would you expect to be nonelectrolytes when dissolved in water? MgCl2, CH3OH,…

A: Electrolytes - These are the salts or molecules that completely ionize in a solution. This results…

Q: How many moles are in 78.9g of HCl?

A:

Q: Arrange the following in increasing order of acid strength. Rationalize your answer.

A: - I and - R effect increase acid strength. + I and + R effect decreases acid strength.

Q: Calculate the molarity of 159.5g of H2SO4 in 1.360L

A:

Q: If the percent yeild is larger than 100%, what is a possible impurity in the final product? How does…

A: If the percent yield is larger than 100%, what is a possible impurity in the final product and How…

Q: Balance the following chemical equation (if necessary): NaOH(aq) + H,SO,(aq) → H̟O() + Na sO̟(aq)

A:

Q: How many milliliters of 0.22 M NaCl Contains 0077 0.077 motes 2

A:

Q: 8) How many mL of 0.250 M ammonium sulfate will contain the following? 0.85 mol of ammonium sulfate…

A:

Q: How many moles of NaOH are in 23.56mL of 0.1010M NaOH?

A: Molarity is one of the concentration term which is used to define the concentration of a solute in a…

Q: None

A: The reaction between NaHCO3 and HCl is given by the equationNaHCO3​+HCl→NaCl+CO2​+H2​O From…

Q: What is the mass (g) of the solute for the following: (a) 15.6 ml of 0.155m NaOH

A:

Q: I am trying to find the % salt( x value) using information from the picture with table one on it. If…

A:

Q: eh öf the following would be a non-electrolyte O HCI КОН O H2SO4 O C6H1206

A: The question is based on the concept of electrolytes. there are two types of electrolyte;  strong…

Q: oues- ow mamy moles of HCI ane in 53.4mL of a L.ll M HeL solution 2

A:

Q: A certain compound is composed of 69.58% Ba, 6.09 % C and 24.32% O. What is its empirical formula.…

A:

Q: What do you mean by concentration of a solution?

A: The solution consists of 2 parts mainly solute and solvent. The solute is present in a small amount…

Q: Hydrate Find  the % of water for Na2SO4            7H2O

A: To find out the percentage of water present in Na2SO4·7H2O.

Q: 32. How many moles of NaOH are in 23.56mL of 0.1010M NaOH?

A:

Q: lonic solutes typically dissolve in nonpolar solvents. True False

A: Ionic solids are the substances that are separated into ions when they dissolve into water.

Q: which solution contains the fewest moles of sodium ions

A: To determine which solution contains the fewest moles of sodium ions, we need to compare the number…

Q: HCI + NaOH - NaCI + H,0

A:

Q: What is the total number of moles of ions in 0.150L of 0.391M Na2SO4?

A: The total number of moles of ions can be calculated asMolarity = moles / litre0.391M = moles /…

Q: the unknown mixture is heated and the NaHCO3 decomposes, what happens to the NaCl and how does that…

A: The answer is as follows:

Q: Calculate the pHpH of each of the following given the molar hydrogen ion concentration. Peas,…

A:

Q: What is the concentration bog a solution made with 0.185 moles of KOH in 400.0 mL of solution?

A:

Q: How many moles of CH3OH are there in 62.9 mL of 0.400 M CH3OH?

A: Introduction to stoichiometric analysis.

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

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

Q: Calculate the mass percent concentration for each of 5.57g SrCl2 in 225 g of water

A: Given, The mass of SrCl2 (solute) = 5.57 g. The mass of water (solvent) = 225 g.

Q: Sandra wanted to prepare a 10M solution of koolaid but she only had 5 moles on solute. How many…

A: Given the concentration of solution =10 M moles of solute =5 molwe are asked to calculate the volume…

Q: What is the molar mass of ascorbic acid, C6H8O6?   Question 18 options:

A: Molar mass of a molecule is equal to the sum of molar masses of all the constituent atoms.

Q: If 2.25 mol of HCl is reacted with excess Gallium, according to the following equation, : 2Ga + 6HCl…

A: The balanced reaction taking place is given as, => 2 Ga + 6 HCl -------> 2 GaCl3 + 3 H2

Q: Calculate the number of moles of sodium hydroxide in a solution that contains 16 g NaOH in 320 mL…

A: Mole is equal to weight of substance divide by it's molar mass.                               Molar…

Q: 1. Fill in the blanks with the major organic product or starting material(s) 1) Et,O (or THF) 2)…

A:

Q: What is the percent water in MgSO4•7H2O?

A: We know that, From periodic table: Molar Mass of  Mg, =24.3g Molar Mass of  S=32g Molar Mass of…

Q: Is the compound CrBr2(s) as a strong, weak, or nonelectrolyte upon dissolving in water.

A:

Q: - rings ar

A:

Q: How many moles of solute particles are present in 1 L (exact) of aqueous 0.076 M HNO3? Answer in…

A: Given, Volume of solution = 1L. Molarity of HNO3 = 0.076M.

Q: How would I determine the grams of carbonate in CaCO3 precipitate when the mass of CaCO3 is 0.32 g

A: The molar mass of CaCO3 is 100 g/mol which contains one mole (or 60 grams) of carbonate. The mass %…

Q: How to calculate percent composition of C, H, O in Formic Acid

A: We have formic acid and we have to calculate the percentage composition of the C,H,O in the given…

Q: Examine the following balanced equations and identify the mole-to-mole ratios

A: Answer is explained below.  Given balanced equation is: Na2CO3 + 2HCl ---> 2NaCl + H2O + CO2…