Answer: There is 1.587 ounces of sodium chloride that he will need.
Explanation:
Since we have given that
Quantity of sodium chloride in grams = 45 grams
We need to find the number of ounces of sodium chloride.
As we know that
1 ounce = 28.35 gram
So, 1 gram =

So, 45 grams =

Hence, there is 1.587 ounces of sodium chloride that he will need.