Answer:
The molar mass of Na+ (sodium ion) is 22.99 g/mol, based on the atomic mass of sodium (Na) from the periodic table.
To calculate the number of ions in 0.187 moles of Na+ ions, we can use Avogadro's number, which is 6.022 x 10^23 ions/mole.
Number of ions = moles of ions x Avogadro's number
Number of ions = 0.187 moles x 6.022 x 10^23 ions/mole
Number of ions = 1.124 x 10^23 ions
So, there are approximately 1.124 x 10^23 Na+ ions in 0.187 moles of Na+ ions.
Step-by-step explanation: