Question

Рассчитайте массу металла, полученного при взаимодействии 160 г оксида меди (II) с водородом при нагревании.

Answer 1

Cuo+h2=cu+h2o
n(cuo)=2 моль
m(cu)=2*64=128 грамм

Answer 2

Calculating the Mass of Metal Obtained from the Reaction

To calculate the mass of metal obtained from the reaction between 160g of copper (II) oxide and hydrogen, we can use the following chemical equation for the reaction:

CuO + H2 → Cu + H2O

From the balanced chemical equation, we can see that 1 mole of copper (II) oxide reacts with 1 mole of hydrogen to produce 1 mole of copper and 1 mole of water.

Using the molar masses: - Molar mass of CuO = 63.55 (Cu) + 15.999 (O) = 79.55 g/mol - Molar mass of Cu = 63.55 g/mol - Molar mass of H2 = 2.016 g/mol

We can calculate the mass of copper obtained from the given amount of copper (II) oxide.

Calculation

1. Calculate the moles of CuO: - Moles = Mass / Molar mass - Moles of CuO = 160g / 79.55 g/mol = 2 moles

2. According to the balanced chemical equation, 1 mole of CuO produces 1 mole of Cu. - Moles of Cu = 2 moles

3. Calculate the mass of Cu obtained: - Mass = Moles * Molar mass - Mass of Cu = 2 moles * 63.55 g/mol = 127.1g

Answer

The mass of copper obtained from the reaction is 127.1 grams.