What is the mass of 0.5 moles of sodium chloride (NaCl)?

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Question: What is the mass of 0.5 moles of sodium chloride (NaCl)?

Options:

Correct Answer: 58 g

Solution:

The molar mass of NaCl is 58 g/mol. Therefore, 0.5 moles of NaCl = 0.5 x 58 g = 29 g.

What is the mass of 0.5 moles of sodium chloride (NaCl)?

What is the mass of 0.5 moles of sodium chloride (NaCl)?

Step 1: Find the molar mass of sodium chloride (NaCl). Sodium (Na) has a mass of about 23 g/mol and chlorine (Cl) has a mass of about 35 g/mol.
Step 2: Add the masses of sodium and chlorine together to get the molar mass of NaCl: 23 g/mol + 35 g/mol = 58 g/mol.
Step 3: Determine how many moles of NaCl you have. In this case, you have 0.5 moles.
Step 4: To find the mass of 0.5 moles of NaCl, multiply the number of moles by the molar mass: 0.5 moles x 58 g/mol.
Step 5: Calculate the result: 0.5 x 58 = 29 g.

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