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A 0.446g sample of an
A 0.446g sample of an unknown monoprotic acid was titrated with 0.105M KOH the molar mass is 120g/mol. What is the pka value?
My
1 answer
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Fai
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A 0.446g sample of an unknown monoproctic acid was titrated with 0.105 M KOH The molar mass is 120g/mol. What is the PKA value?
P
1 answer
asked by
Fai
484 views
Is this correct??
Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density.
4 answers
asked by
Danny
1,010 views
A 0.446g sample of an unknown monoprotic acid was titirated with 0.105M KOH the molar mass is 120g/mol. What is the PKA value?
Wh
1 answer
asked by
Fai
880 views
A solution of sodium cyanide nacn has a ph of 12.10. How many grams of nacn are in 425ml of solution with the same ph?
I do not
1 answer
asked by
Fai
809 views
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equal
A.
0 answers
asked by
arelis
694 views
To make valid statistical inferences from a sample to a population, you use:
a judgement sample a quota sample a convenience
1 answer
78 views
Two samples of double-stranded DNA have been prepared. Nucleotide analysis reveals that sample 1 is found to be 21% A, while
0 answers
asked by
Kate
900 views
The function f (x) = 735 (1/2)^x models the number of grams in a sample of a radioactive substance after x years. Which
3 answers
72 views
Federico has two samples of pure water—sample X and sample Y. Sample X has a volume of 1 L, and sample Y has a volume of 10 L.
1 answer
25 views