New to working with equivalent weights. Any help would be appreciated. A metal weighing 4.0080 g formed 4.1002 g of hydride. What is the equivalent weight of the metal?
To find the equivalent weight of the metal, we can use the formula:
Equivalent weight = (Weight of metal)/(Change in weight)
In this case, the weight of the metal is 4.0080 g, and it formed 4.1002 g of hydride. Therefore, the change in weight is:
Change in weight = 4.1002 g - 4.0080 g
Change in weight = 0.0922 g
Now we can calculate the equivalent weight using the formula:
Equivalent weight = 4.0080 g / 0.0922 g
Equivalent weight ≈ 43.5 g
To find the equivalent weight of the metal, we need to determine the amount of the metal that reacts with one equivalent of hydride. The equivalent weight is defined as the molar mass of the metal divided by the number of moles of hydride that reacted with it.
Here's how you can calculate the equivalent weight:
1. Determine the molar mass of the metal:
- In this case, the metal has a weight of 4.0080 g.
2. Calculate the number of moles of the metal:
- Divide the weight of the metal by its molar mass.
- For example, if the metal is magnesium (Mg) with a molar mass of 24.305 g/mol, the number of moles can be calculated as follows:
Moles of metal = Weight of metal / Molar mass of metal
3. Calculate the number of moles of hydride:
- In this problem, 4.1002 g of hydride is formed.
4. Divide the number of moles of the metal by the number of moles of hydride:
- This ratio gives the equivalent weight of the metal.
Let's perform the calculations using the given data:
1. The weight of the metal is given as 4.0080 g.
2. The molar mass of the metal is not provided in the question. You need to determine the metal's identity or look up its molar mass.
3. The weight of the hydride formed is 4.1002 g.
4. Calculate the number of moles of the metal:
Moles of metal = Weight of metal / Molar mass of metal
5. Calculate the number of moles of hydride:
Moles of hydride = Weight of hydride / Molar mass of hydride
6. Finally, divide the number of moles of the metal by the number of moles of hydride to find the equivalent weight of the metal.
Please provide the molar mass of the metal, and I can help you complete the calculation.