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How many atoms are in a sample of copper with a mass of 18.46 grams?
17.48 atoms
How many dozens of copper atoms in a penny?
A penny weighs 2.5 grams and is 2.5% copper. Therefore, there is2.5 grams × .025 = .0625 grams of copper in a pennyThen you convert grams to atoms with the molecular weight of copper and Avogadro's constant.0625 grams ÷ 63.5 grams/mol × (6.02 × 1023 atoms) ÷ 12 in one dozen = 4.94 × 1019 dozens of copper atoms
How many atoms are in 3 grams of copper?
2.84 X 10^23 atoms Cu
How many atoms of copper Cu are in a pure copper coin weighing 12.0 grams?
12.0 grams copper (1 mole Cu/63.55 grams)(6.022 X 10^23/1 mole Cu) = 1.14 X 10^23 atoms of copper -----------------------------------------
How many copper atoms in a penny made of pure copper and weight 2.15g?
2.15 grams copper (1 mole Cu/63.55 grams)(6.022 X 10^23/1 mole Cu) = 2.04 X 10^22 atoms of copper ------------------------------------------
How many atoms of copper are there in 497.3 grams of copper?
The answer is 47,128 x 1023 atoms.
How many atoms are in a sample of copper with a mass of 18.46 grams?
17.48 atoms
How many atoms are in 28.0 grams of copper?
28.0 grams copper (1 mole Cu/63.55 grams)(6.022 X 1023/1 mole Cu) = 2.65 X 1023 atoms of copper ======================
How many dozens of copper atoms in a penny?
A penny weighs 2.5 grams and is 2.5% copper. Therefore, there is2.5 grams × .025 = .0625 grams of copper in a pennyThen you convert grams to atoms with the molecular weight of copper and Avogadro's constant.0625 grams ÷ 63.5 grams/mol × (6.02 × 1023 atoms) ÷ 12 in one dozen = 4.94 × 1019 dozens of copper atoms
How many atoms are in 3 grams of copper?
2.84 X 10^23 atoms Cu
How many atoms are present in 6.81g of copper?
6.81 grams copper (1 mole Cu/63.55 grams)(6.022 X 1023/1 mole Cu) = 6.45 X 1022 atoms of copper ----------------------------------------
How many atoms of copper Cu are in a pure copper coin weighing 12.0 grams?
12.0 grams copper (1 mole Cu/63.55 grams)(6.022 X 10^23/1 mole Cu) = 1.14 X 10^23 atoms of copper -----------------------------------------
How many copper atoms in a penny made of pure copper and weight 2.15g?
2.15 grams copper (1 mole Cu/63.55 grams)(6.022 X 10^23/1 mole Cu) = 2.04 X 10^22 atoms of copper ------------------------------------------
How many atoms of copper are there in a pure copper cion weighing 12.0 grams?
12.0 gram copper coin (1 mole Cu/63.55 grams)(6.022 X 10^23/1 mole Cu) = 1.14 X 10^23 atoms of copper
What types of atoms are in copper?
Copper atoms....an element (copper) is made of many atoms.
How many atoms are in a 6.4 gram sample of copper?
The number of atoms in 6.4 grams of copper is 6.07X10^22. Copper has a melting point of 1084.62 degrees Celsius which is equal to 1984.32 degrees Fahrenheit.
How many copper atoms are in a pure copper statue with a mass of 129 kg?
The atomic weight of copper is 63.546 grams per mole. 129 kg is equal to 129000 grams. So there are 2030.03 moles of copper. There are 6.022 x 10^23 copper atoms in a mole. So there are 12.22 x 10^26 atoms.
