Percent Concentration - Page 6
Questions
- Sulfuric acid has a molar mass of 98 g/mol. In the laboratory there is 100 mL of a 0.10 M sulfuric acid solution. How much water needs to be added to this volume to prepare a solution containing 4.9 g/L of sulfuric acid?
- What mass of #"NaBr"# is needed to prepare #"50.00 mL"# of a #6.5%# (m/v) solution in distilled water?
- How many grams of solute are present in a #"1500-g"# sample of a #3.62%# by mass solution of sodium hypochlorite?
- Mole fraction of ethanol in ethanol and water mixture is 0.25. Hence percentage concentration of ethanol by weight of mixture is?
- What is meant by a #"good solvent"# for recrystallization?
- A student adds 6.00 g of a solid to 30.0 ml of water. What is the concentration of this solution expressed as mass/volume percent?
- How can I express this concentration in parts per million? Water supplies with dissolved calcium carbonate greater than 500 mg/L are considered unacceptable for most domestic purposes.
- To make a 50% solution of carbon tetrachloride in benzene, how much carbon tetrachloride should be added to #100*mL# of benzene?
- How do we define #"area"# and #"volume"# dimensionally?
- What is the mass percent of 400 mLof a solution that contains 60.0 g of calcium chloride?
- You have 1500.0 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, #NaOCl#, is 3.62%. How many grams of #NaOCl# are in the solution?
- What are some examples of percent concentration?
- To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
- What is the percent of change if 24 is increased to 90?
- What is #"volume percent"# of a #10*g# mass of solute dissolved in a #150*g# mass of solvent?
- How can I calculate the concentration of a solution in mass percent?
- What is #"70% (v/v)"# ethyl alcohol? And what constitutes the other #"30%"#?
- What is the mass of solution that is #28.1%# #"(w/w)"# with respect to sugar that contains #65.5*g# of solution?
- What is the mole fraction of #KCl# in an aqueous solution that contains 26.3% #KCl#?
- What is the percent concentration of a 300-mm solution of CaCl2?