Answer:
c) 35 fl oz
Explanation:
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In this case, to compute the recommended amount of calcium that the teenager must drink, one performs the following relationship:
Solving for , one gets:
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Which of the following is not a renewable source of energy?
2 answers:
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5.75g
Explanation:
Given parameters:
Number of atoms = 1.505 x 10²³atoms
let us find the number of moles and mass of this atom.
Solution:
The mole is convenient unit for reporting measurements in chemistry. It allows us to make mathematical calculations:
one mole of substance contains 6.02 x 10²³atoms
Number of moles of Na given = = 0.25moles
Mass of Na atom given = number of moles x molar mass
Molar mass of Na= 23g/mole
Mass of Na = 0.25 x 23 = 5.75g
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Number of moles brainly.com/question/1841136
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