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Molarity Chemistry

07/20/17

The label on a jar of jam says it contains 13 g of sucrose, C12,H22,O11 per tablespoon (15mL). What is the molarity of sucrose in the jam?

Please include the formula and clearly write how to solve for the equation step by step also including any conversions factors you may have to do.

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Molarity Chemistry

07/20/17

If 3.18 g BaCl2 is dissolved in enough solvent to make 500.0 mL of solution, what is the molarity of this solution?

Please clearly include step by step how to solve the equation including any conversions you may have to do and the formula.

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Molarity Chemistry Pharmacy Chemistry Conversion

12/09/16

How do you calculate molar concentration given that it is a 1:200 aqueous solution and the molecular weight is 165.23?

This is part of a question where you calculate pH given Kb and information above. I just want to know how to calculate the molar concentration of the ephedrine concentration, given that it is a... more

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Molarity Word Problem Stoichiometry General Chemistry

10/09/16

Stoiciometry

A solution was prepared by dissolving 4.75g of sodium chloride and 0.575g of calcium chloride in water and diluting to a volume of 500.0mL. What is the molarity of chloride ions in this solution?

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Molarity Science Chemistry Stoichiometry

07/26/16

How much CaCl2 needs to be added to change the concentration of Ca from 100mg/L to 200mg/L?

Question: I have 275 gal of water. Ca concentration is 100mg/L. How much CaCl2 is needed to be added for Ca to become 200mg/L? I understand that you should convert mg to grams, and doing so... more

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Molarity Chemistry Stoichiometry Molality

05/28/16

Stoichiometry

Molarity and molality of a solution (molecular weight=50) in aqueous solution is 9 and 10 respectively. What is its density?

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Molarity College Chemistry

05/08/16

molarity question

after a student placed 20.0g of chromiu in 200ml of a H2SO4 solution she collected 2.8 L of H2 gas at 96.5 kPa and 25 C(Celsius). what was the concentration of the H2SO4 solution if she reported a... more

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Molarity Chemistry Moles Equilibrium

03/16/16

How do I work out the molarity and equilibrium constant using moles of reactants?

The equation is C2H5OH(aq) + CH3CO2H(aq) ? CH3CO2C2H5(aq) + H2O(l) Moles of ethanol: 0.0747 Moles of ethanoic acid: 0.0112 amount of ethanol used in experiment: 4cm3 amount of ethanoic... more

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Molarity

03/16/16

chemistry- word problem

A solution is to be standardized by titration KMnO4(aq) against As2O3(s). A 0.1072-g sample of As2O3 requires 24.35 mL of the KMnO4(aq) for its titration.5As2O3+4MnO-4+9H2O+12H+→10H3AsO4+4Mn2+. ... more

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Molarity

03/16/16

chemistry word problem

The exact neutralization of 10.00 mL of 0.1282 M H2SO4(aq) requires 24.94 mL of NaOH.Part A What must be the molarity of the NaOH(aq)? H2SO4(aq)+2NaOH(aq)→Na2SO4(aq)+2H2O(l)

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Molarity

03/04/16

If you dilute 27.0 mL of a 3.5 M solution to make 286.4 mL of solution, what is the molarity of the dilute solution?

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Molarity Math Math Word Problem

02/03/16

How much water should be added to 10 mL of 18% achohol solution to reduce the concentration to 5%? Why?

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Molarity

08/23/15

Molarity of nitrate

You measure your fish tank water and find there is an NO3 concentration of 0.25 g/L What is the molaritu of the nitrate in your tank?

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Molarity Chemistry Chemical Reactions Chemical Formula

11/13/14

Molarity of vinegar

HelloI am trying to work out the molarity of a standard store bought vinegar. i used 2g sodium hydroxide in 0.1M in 500ml.10ml vinegar diluted with 90g water.25 ml of vinegar solution used in... more

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Molarity Chemistry

11/11/14

Chem HELP Molarity

Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H2C2O4•2H2O. A student dissolves 0.896 grams of H2C2O4•2H2O in water and... more

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