If you used 50 grams of copper (II) oxide, how much copper would be produced. (Use the ratio)

50 g x (atomic mass Cu/molar mass CuO) = ? g Cu.

To determine the amount of copper produced, we need to use the ratio provided in the chemical equation. The balanced equation for the reaction between copper (II) oxide and copper can be written as:

2CuO + C → 2Cu + CO2

From the equation, we can see that 2 moles of copper oxide (CuO) react to produce 2 moles of copper (Cu).

To convert from grams to moles, we need to know the molar mass of copper (II) oxide, which is 79.55 g/mol (63.55 g/mol for copper + 16.00 g/mol for oxygen).

Therefore, the calculation is as follows:

50 g CuO × (1 mol CuO / 79.55 g CuO) × (2 mol Cu / 2 mol CuO) × (63.55 g Cu / 1 mol Cu)

= (50 × 2 × 63.55) / 79.55

≈ 40.11 g

Therefore, approximately 40.11 grams of copper would be produced if 50 grams of copper (II) oxide reacted completely.

To determine how much copper would be produced when 50 grams of copper (II) oxide is used, we need to use the given ratio of copper (II) oxide to copper.

The balanced equation for the reaction is:
2CuO -> 2Cu + O2

According to the equation, for every 2 moles of copper (II) oxide, 2 moles of copper are produced. To find the molar masses, we need the atomic masses of copper (Cu) and oxygen (O).

The atomic mass of Cu is 63.55 g/mol, and the atomic mass of O is 16.00 g/mol.

Step 1: Convert the mass of copper (II) oxide to moles.
Molar mass of CuO = (atomic mass of Cu) + (atomic mass of O) = 63.55 g/mol + 16.00 g/mol = 79.55 g/mol

Number of moles = mass / molar mass
Number of moles of CuO = 50 g / 79.55 g/mol = 0.628 mol (rounded to three decimal places)

Step 2: Use the ratio from the balanced equation to determine the amount of copper produced.
From the equation, we know that 2 moles of CuO produce 2 moles of Cu.

Since we have calculated the number of moles of CuO as 0.628, we can use stoichiometry to find the number of moles of Cu.
Number of moles of Cu = 0.628 mol * (2 mol Cu / 2 mol CuO) = 0.628 mol

Step 3: Convert moles of Cu to grams.
Molar mass of Cu = 63.55 g/mol

Mass of copper produced = number of moles * molar mass
Mass of copper produced = 0.628 mol * 63.55 g/mol = 39.86 g (rounded to two decimal places)

Therefore, when 50 grams of copper (II) oxide is used, approximately 39.86 grams of copper would be produced, according to the given ratio.