Physics

Physics, 06.10.2019 06:00, JvGaming2001

What is the mass of 5.4 moles of copper ?

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Chemistry, 29.08.2019 01:20, emmapizano

Use the following, balanced equation for the question below: 2al(s) + 3cucl2(aq) → 3cu(s) + 2alcl3(aq) how many moles of copper metal will be produced from 10.0 moles of aluminum metal? 10.0 moles of copper 15.0 moles of copper 20.0 moles of copper 30.0 moles of copper

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Chemistry, 02.09.2019 22:10, BlueExorcistReaper

Determine the number of moles and mass requested for each reaction in exercise 4.42. refer to exercise 4.42. write the balanced equation, then outline the steps necessary determine the information equation in each of the following: (a) the number of moles than the mass of the chlorine cl2 required to react with 10.0 g of sodium metal na to produce sodium chloride nacl (b) the number of moles and the mass of the oxygen formed by the decomposition of 1.252 gram of mercury (ii) oxide (c)the number of the moles and the mass of the sodium nitrate nano3 required to produce 128 gram of oxygen (nano2 is the other product) (d)the number of moles and the mass of the carbon dioxide formed by the combustion of 20.0 kg of carbon in excess of oxygen (e)the number of moles and the mass of the copper(ii) carbonate needed to produce 1.500 kg of copper ii oxide (co2 is the other product)

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Chemistry, 22.09.2019 10:00, colton6926

You need to make a stock solution of a known copper concentration for your experiment. you start by weighing out a piece of pure copper wire which has a mass of 0.211 g. you then add 1.0 ml of 12 m hno3, 3.0 ml of h2o and 2.0 ml of 12 m nh4oh to dissolve the copper metal. the moles of copper that are in the solution = 0.00332 mols. now i need to find the final molarity of copper in the solution.

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Chemistry, 29.10.2019 06:31, ogiebert

What mass of copper has the same number of atoms as 26.98 g of aluminum? show your work for full credit! a. convert the mass of aluminum to moles of aluminum. molar mass of aluminum (al) = 26.98 g/mol b. convert the moles of aluminum to moles of copper. we are comparing the same amount (in moles) of aluminum and copper. c. convert the moles of copper to mass of copper. molar mass of copper (cu) = 63.55 g/mol

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