what mass in Mg of sodium sulfate is present in 8x10^-3 koles of this compound
What types of bonds are present in Sodium laureth sulfate? Is Sodium laureth sulfate an electrolyte? Explain.
The percent by mass of sodium sulfate in a solution of 32.0 g of sodium sulfate dissolved in enough water to make 94.0 g of solution is: 25.4% 34.0% 134% 66.0% 74.6%
What is the role of sodium lactate and how is this compound metabolized by sulfate reducing bacteria? How is the oxidation of S- using NO3 carried out and what microorganisms are responsible for the development of this metabolic process? What is the relationship with graph 2b? keep in mind how is the nitrogen cycle metabolism Scientific support article Continuous sulfur biotransformation in an anaerobic-anoxic sequential batch reactor involving sulfate reduction and denitrifying sulfide oxidization
1. Given powdered sodium sulfate, how will you prepare 100mL of a 1M solution of sodium sulfate? Your solvent is 0.1M acetate Buffer. 2. Given a 1M solution of sodium chloride, how will you prepare 1000uL of 0.2M solution of sodium chloride. 3. Given a 100 mg/mL protein solution, how will you prepare 20uL of a 70 mg/mL protein solution? 4. What is lysozyme and where are they usually found? 5. What is the role of X-crystallography in structure identification?
Show typed calculations to determine the mass of sodium sulfate necessary to prepare each of the three stock solutions in part A (These should be different values from the gram quantities listed in the ‘data to be used’). Clearly label each calculation. Mass used to prepare 5.0 g/L sodium sulfate solution: 0.494 g solution #1: make 100mL of a 5.0g/L sodium sulfate solution
3. Butyric acid is a compound that is present in butter. It has a molar mass of 88.11 g/mol and is composed of 54.5% C, 9.2% H, and 36.3% 0. What is the molecular formula for this substance? La marcant composition, determine the molecular . Calculate the percentage of (a) mercury in HgCo, (b) oxygen in Ca(CIO:), (c) nitrogen in CH,,N, (nicotine) (d) Mg in C.H.MgN,0, (chlorophyll)
Calculate the mass needed to make 100mL of a 2.0mM sodium sulfate solution
Determine the molarity of a sodium sulfate aqueous solution that is 77% by mass. The density of the solution is 1.67 g/ml
3. 495 grams is a typical mass for a glass of water. Calculate the number of water molecules you drink when quenching your thirst with this quantity of our most common liquid. 4. How many moles are in 150 grams of each of the compounds in problem #1? 5. How many grams are need to give .250 moles of each of the compounds in problem #1? 6. What is the percent weight of oxygen in barium chlorate? Da Cloz) 2...
PLEASE ANSWER ALL QUESTIONS OR NONE AT ALL How many grams of sodium sulfate will be formed from a solution that contains 50.00 g of sodium hydroxide in an excess of sulfuric acid? What is the molar mass of Sodium hydroxide? Given 50.00 g of sodium hydroxide, how many moles of sodium hydroxide do you have? What is the molar ratio between sodium sulfate and sodium hydroxide? Using the molar ratio determine the number of moles of sodium sulfate that...