Question

Calculate the molar mass of a compound if 0.416 mole of it has a mass of 344.0 g. Round your answer to 3 significant digits

Answer 1

The molar mass of a compound is the mass of one mole of that compound. To find the molar mass of a compound, we can use the following formula:

Molar mass=Number of moles of the compoundMass of the compound​

Using the given values, we can plug them into the formula and solve for the molar mass:

Molar mass=0.416 mol344.0 g​

Molar mass=826.923 g/mol

To round the answer to 3 significant digits, we look at the fourth digit after the decimal point. If it is 5 or more, we round up the third digit. If it is 4 or less, we round down the third digit. In this case, the fourth digit is 9, so we round up the third digit to 7.

Therefore, the molar mass of the compound is 827 g/mol.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

To calculate the molar mass of the compound, you can use the formula:

Molar mass (g/mol) = Mass (g) / Moles (mol)

Given:

Mass = 344.0 g

Moles = 0.416 mol

Now, plug these values into the formula:

Molar mass = 344.0 g / 0.416 mol

Molar mass ≈ 826.923 g/mol

Rounded to three significant digits, the molar mass of the compound is approximately 827 g/mol.