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You want to prepare 5.0 liters of a 425 ppb Li 1 solution. How many grams of LiCO3 do you need to weigh out to dissolve in the 5.0 liters?If you had started with a 5000. ppm solution of Li2CO3 solution, how many mL of it would you need to pipet into the 5.0 liter to achieve the same 425 ppb Li 1 solution?
A solution is 0.43 M Sr(OH)2. What are the concentrations of H3O+ and OH ‾ in this solution?
A new soft drink on the market is prominently labeled as "caffeine-free". Based on the nature of complaints filed by several consumers, it appears that the "caffeine-free" claim might actually be fraudulent.
Calculate the amount of heat required to heat a 3.6 kg gold bar from 25 C to 64 C. Specific heat capacity of gold is 0.128 j/g C.
Make an energy level diagram, showing ALL suborbitals, large enough to accomodate the 1st 36 elements
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.
A flexible container initially holds 2.0 moles of an ideal gas at 293K and 1.0 atm. The container is compressed isothermally
Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
How do you write a balanced equation for the following? Also key coenzymes for each process is needed
use a solid line to represent the correct calibration line and a dotted line for the line with the systematic error.) Also discuss the advantages and disadvantages of spectral methods of analysis.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
Why do you put sodium carbonate in sulfanilic acid. What form is the sulfanilic acid? Why do you put HCl in ice?
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