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Density = grams/milliliters
8.96 g/ml = grams Cu/50 ml
= 448 grams Cu
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What has the larger atomic radius Cu or Cl2?
The atomic mass of Cu is: 63.546 g.mol The atomic mass of Cl2 is: 35.453 g.mol So your answer would be: Cu has the largest Atomic mass.
What the molar mass for copper?
Atomic mass of Cu is 63.55 a.m.u. , 63.55 g/mole(Cu is an element, not a molecule)
What is the mass of 7.00ml of copper?
You need to know the density of copper, which is 8.96 g/cm3 at room temperature. Density = mass/volume. To solve for mass, the equation is manipulated so that mass = density x volume. 1mL = 1cm3, so 7.00mL Cu = 7.00cm3 Cu. Mass = 8.96g/cm3 x 7.00cm3 Cu =62.7g Cu
Is the percent by mass of copper in CuSO4 5H2O the same as in CuSO4?
No. The % of Cu by mass in CuSO4 will be greater than the % of Cu by mass in the pentahydrate (5H2O) because in the hydrate there is added mass (5 H2O = 90 g) but no added Cu.
What is the maximum amount of Cu that could be produced by reacting 20.0 grams of Al with excess CuSO4?
find moles: 20.0 grams of Al @ (27.0 g/mol) = 0.7407 moles of Al by the reaction: 2 moles Al+3CuSO4 → Al2(SO4)3 +3 moles Cu 0.7407 moles of Al produces 3/2 's as many moles of Cu = 1.11 moles of Cu find mass, using molar mass: 1.11 moles of Cu @ (63.5 g/mol) = 70.6 grams of Cu your answer is 70.6 g
What is the atomic mass of the element Cu?
The atomic mass of Cu (Copper) is 63.546 amu (atomic mass unit).
What has the larger atomic radius Cu or Cl2?
The atomic mass of Cu is: 63.546 g.mol The atomic mass of Cl2 is: 35.453 g.mol So your answer would be: Cu has the largest Atomic mass.
How many moles of copper are present in 75.92 g?
The atomic mass of Copper is 63.5 grams One mole of any element has a mass equal to the atomic mass. 0.75 grams of Cu = x moles of Cu 63.5 grams of Cu = 1 mole of Cu Set up a proportion and solve for x Divide 0.75 / 63.5 = x /1 0.75 ÷ 63.5 = x
What the molar mass for copper?
Atomic mass of Cu is 63.55 a.m.u. , 63.55 g/mole(Cu is an element, not a molecule)
What is the mass of 7.00ml of copper?
You need to know the density of copper, which is 8.96 g/cm3 at room temperature. Density = mass/volume. To solve for mass, the equation is manipulated so that mass = density x volume. 1mL = 1cm3, so 7.00mL Cu = 7.00cm3 Cu. Mass = 8.96g/cm3 x 7.00cm3 Cu =62.7g Cu
Is the percent by mass of copper in CuSO4 5H2O the same as in CuSO4?
No. The % of Cu by mass in CuSO4 will be greater than the % of Cu by mass in the pentahydrate (5H2O) because in the hydrate there is added mass (5 H2O = 90 g) but no added Cu.
What is the maximum amount of Cu that could be produced by reacting 20.0 grams of Al with excess CuSO4?
find moles: 20.0 grams of Al @ (27.0 g/mol) = 0.7407 moles of Al by the reaction: 2 moles Al+3CuSO4 → Al2(SO4)3 +3 moles Cu 0.7407 moles of Al produces 3/2 's as many moles of Cu = 1.11 moles of Cu find mass, using molar mass: 1.11 moles of Cu @ (63.5 g/mol) = 70.6 grams of Cu your answer is 70.6 g
What happens when Zn strip is dipped in CuSO4 solution?
Zn has a lower reduction potential than Cu and so the Zn will be oxidized (lose electrons) to become Zn^2+ and the Cu^2+ in solution will be reduced (gain electrons) to become Cu(s).
What is the atomic mass of Cu?
Copper is a metal element. Atomic mass of it is 64.
How many moles of copper are there in 128 grams of copper?
Multiply 564 grams of copper by 1 mole over the atomic mass of copper (represented in grams). 564 g Cu * 1 mol Cu / (atomic mass) g Cu The atomic mass is located on the periodic table and represented in atomic units. The same value is used here, but with the unit as grams.
Calculate the mass in grams of 0.0420 moles of copper?
You are given moles and need to find grams, the atomic mass of any element is in g/mol so just go to the periodic tables and Cu which is copper has a mass of 63.546 grams/ mole. Then you know if you multiply Mole * g / mol the moles will cancel out and you will be left with grams so .0420 mol Cu * 63.546 g / mole Cu = 2.669 grams
What element has an atomic mass of 63.546?
Copper (Cu)
