Question

How many moles of table salt are found in 400 g of NaCI

Answer 1

400g x 1 mole NaCl/ 58.44g= 7 mole of NaCl

1. Find the Molar Mass of NaCl
2. Then set up the equation
3. Solve, then round to the lowest sig figs which is 1, since 400 only has 1 and has the least sig fig