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01.02.2020 •
Chemistry
How many copper atoms are in 150 g of copper metal
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Ответ:
=grams given x 1 mol/molar mass
So 150 g Cu x 1 mol Cu/63.546 g Cu = 2.4 mol Cu
2. From mole -> atoms
=number of mol x 6.022x10^22 atoms/1 mol
So 2.4 mol Cu x 6.022x10^22 atoms Cu/1 mol Cu = 1.4 x 10^24 atoms Cu
Ответ:
They curve in opposite directions because of one reason(s) latitude and longitude. Because these are different places, they will experience different weather conditions based on how far they are from sea level.
Explanation: