Question

what is the mass of sodium and calcium.​

Answer 1

Answer:

Explanation:

The mass of sodium containing same number of atoms is 2.3 grams.

 

To calculate the number of moles, we use the equation:

 

Moles of calcium:

Given mass = 4 g

Molar mass = 40 g/mol

Putting values in above equation:

We need to calculate the mass of sodium having same number of atoms which means having same number of moles.

So, moles of sodium = 0.1 mole

For Sodium:

Molar mass = 23 g/mol

Putting values in equation 1:

Hence, the mass of sodium containing same number of atoms is 2.3 grams.

Answer 2

Answer:

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