Answer:
5400 cans
Explanation:
First we convert the total weight, 1 ton, to grams:
Now we need to know the mass of aluminum:
Now we make the relation between the mass of aluminum in 1 ton of the earth's crust and the mass of aluminum per can:
What sex is the person who has the karyotype described in Steps 3-4? How do you know?
1 answer:
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Answer: 0.0257 moles of and 0.0257 moles of
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.
moles of
The balanced reaction for dissociation will be:
According to stoichiometry:
1 mole of gives 1 mole of
and 1 mole of
Thus there will be 0.0257 moles of and 0.0257 moles of
Answer:
(a)
(b)
(c)
Explanation:
Hello,
(a) In this case, with the given formula we easily compute the mass of gold contained in the sovereign as shown below:
(b) Now, by knowing the density of gold and copper, 19.32 and 8.94 g/cm³ respectively, we compute each volume, by also knowing that the rest of the coin contains copper:
(c) Finally, the volume is computed by dividing the total mass over the total volume containing both gold and copper:
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