Answer:
Explanation:
1) Data:
a) V = 500.0 ml = 0.500 liter
b) M = 0.100
c) mass = ?
2) Formulae:
a) Molarity: M = n / V
b) Number of moles: n = mass in grams / molar mass
3) Solution
a) M = n / V ⇒ n = M × V = 0.1000 M × 0.500 liter = 0.0500 mol
b) molar mass NaCl = 58.443 g/mol
c) mass = n × molar mass = 0.0500 mol × 58.443 g/mol = 2.92 g
Answer: 2.92 g
