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A total of 17.70 mL of 0.1200 M NaOH was required to reach a phenolphthalein endpoint during titration of a 5.00 mL sample of juice. Calculate the number of moles of H+ per mL of juice.
Assuming the acid is citric acid and that all three ionizable hydrogens are neutralized, calculate the number of milligrams of citric acid per mL of juice. The molecular weight of citric acid is 192.1 g/mol.
In the above question, it is assumed that citric acid is the sole acid in the juice sample. Knowing that other acids are present, how would the actual citric acid concentration vary from your calculated value?
If the acid present in your juice is only malic acid with only two ionizable hydrogens, what would your new value be for the milligrams of acid/mL of juice
What does the liver do when there is an obstruction in the biliary duct.
An amateur horse breeder has acquired four new bay-coloured mares (female horses) with uncertain pedigree. What are the probable genotypes of the mares purchased.
In the plant genus Triticum there are many different polyploid species, as well as diploid species. Crosses were made between three different species, and hybrids were obtained.
Please determine whether positive or negative for each bacterium Enterobacter aerogenes acid from glucose
You are studying which of the multiple steps in gene expression you could tweak in order to produce a normal version of the huntingtin protein despite having the allele with the mutation. Which step in gene expression would be the most promising?
q1. bacteria - a single circular chromosome usually eukaryotes one complete set of nuclear chromosomes note that
Do you think we could extend the average lifespan by preserving or restoring the length of telomeres with telomerase? If so, does that raise a risk the telomerase also will cause cancer?
A double stranded, relaxed circular DNA (2800 bps) is placed in a solution which favours the formation of B-DNA. What are the values for L, T, and W? Briefly explain your answer.
The Sierra Nevada Mountains run north and south through California. Storms track from the west to the east. Which side of the Sierra Nevada Mountains will experience a rain shadow?
A two year old boy is treated for recurrent fractures of his long bones. Physical examination reveals blue sclera, loose joints, abnormal teeth, and poor hearing.
can you determine the optimal temperature for catalase activity? If so, what is the optimum temperature?
Fungi in the soil form a symbiotic association with roots. These fungi create a large surface area associated with the root hairs that helps to do which of the following? Which of the following mechanisms help plant roots acquire negatively-charge..
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