Answer:
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Gold would have a greater mass, because density is mass/volume, and if the density is greater, so is the mass.
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Explanation:
Since, it is given that density is 1.16 grams per milliliter and molar mass of copper sulfate pentahydrate is 249.68 g/mol.
Now, as we known that density is the amount of mass present in a unit volume.
Mathematically, Density =
Hence, calculate the volume as follws.
Density =
1.16 g/mL =
volume = 215.24 mL
As, 215.24 mL can dissolve in 249.68 g/mol of complex. So, in 100 mL volume amount dissolved will be calculated as follows.
= 116 grams
Thus, we can conclude that 116 grams of copper sulfate pentahydrate that will dissolve in 100 g of water at 0.
The amount of the original isotope that remains after 30 days is 11.14.
<h3>What is the half life?</h3>
The half life of a radioactive nuclide has to do with the time that it takes for only half of the original number of nuclides to remain.
Now;
No = 150 grams
N = ?
t1/2 = 8 days
t = 30 days
Then;
N/No = (1/2)^t/t1/2
N/150 = (1/2)^30/8
N/150 = (1/2)^3.75
N = (1/2)^3.75 * 150
N = 11.14
Learn more about half life:brainly.com/question/24710827
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1) acid
2) ether
3) ester
4) aldehyde
5) ketone
6) amine
7) alcohol