2.64 grams of an unknown compound was dissolved in water to yield 150 mL of solution. The concentration of the solution was 0.075 M. What was the molecular weight of the substance?
6. Chemical Quantities & Aqueous Reactions
Molarity
- Multiple Choice1968views8rank2comments
- Multiple Choice
A solution with a final volume of 750.0 mL was prepared by dissolving 30.00 mL of benzene (C6H6, density = 0.8787 g/mL) in dichloromethane. Calculate the molarity of benzene in the solution.
2764views2rank4comments - Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 5.00 g of NaCl in 500.0 mL of water?817views
- Open Question
Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 mL of solution.
457views - Open Question
What is the molarity of a solution that contains 17 g of NH3 in 0.50 L of solution?
517views - Open Question
Commercial grade hcl solutions are typically 39.0% (by mass) hcl in water. Determine the molarity of the HCl, if the solution has a density of 1.20 g/mL.
450views - Open Question
Find the molarity of a 40.0% by mass aqueous solution of sulfuric acid, H2SO4, for which the density is 1.3057 g/ml.
534views - Open QuestionWhich of the solutions have the same molar concentration as solution x?615views
- Open QuestionA solution of ethanol in water is prepared by dissolving 75ml637views
- Open Question
Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 ml of solution.
437views - Open Question
How many moles of Ba(NO3)2 are there in 0.25 l of a 2.00 M Ba(NO3)2 solution?
528views - Open Question
Volume (ml) of 2.25 M potassium hydroxide that contains 15.0 g of solute
430views - Open Question
What is the molarity of a solution that contains 5.0 moles of solute in 2.0 liters of solution?
390views - Open Question
Calculate the mass of ammonium sulfide (NH4)2S in 3.00 L of a 0.0200 M solution. g (NH4)2S
505views - Open Question
What volume of 0.20 M NaCl(aq) contains 10.0 g of NaCl (molar mass 58 g/mol)?
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