Question

Сколько молекул в 1г твёрдого и расплавленного железа?

Answer 1

Молекулярная масса СО2 равна 12+16+2=44.Значит в 1г содержится 1/44.

Answer 2

Number of Molecules in 1g of Solid Iron

To determine the number of molecules in 1g of solid iron, we need to use the molar mass of iron and Avogadro's number.

The molar mass of iron (Fe) is approximately 55.845 g/mol Avogadro's number is approximately 6.022 x 10^23 molecules/mol.

To calculate the number of molecules in 1g of solid iron, we can use the following formula:

Number of molecules = (Mass of iron / Molar mass of iron) x Avogadro's number

Substituting the values:

Number of molecules = (1g / 55.845 g/mol) x (6.022 x 10^23 molecules/mol)

Calculating this, we find that there are approximately 1.08 x 10^22 molecules in 1g of solid iron.

Number of Molecules in 1g of Molten Iron

Determining the number of molecules in 1g of molten iron follows the same principle as for solid iron. However, we need to consider the molar mass of iron in its molten state.

Unfortunately, the search results did not provide specific information about the molar mass of molten iron. However, we can assume that the molar mass of iron remains the same in both its solid and molten states.

Therefore, the number of molecules in 1g of molten iron would also be approximately 1.08 x 10^22 molecules, assuming the molar mass remains constant.

Please note that this assumption may not be entirely accurate, as the molar mass of a substance can change with its physical state. However, without specific information about the molar mass of molten iron, we can only make this assumption based on the available data.

In summary, the number of molecules in 1g of both solid and molten iron is approximately 1.08 x 10^22 molecules.