Jim had a short night, he spent all of it except about 2 hours studying for his chemistry test this morning. As he was brushing his teeth he found that chemistry had over taken his mind. He found himself wondering how many fluoride ions were in the 6.3oz tube of Crest Pro-Health Clean Mint toothpaste he was using. After all his studying, he was confident that he could calculate the number of fluoride ions. Can you? Your assignment is to calculate how many fluoride ions are present in an unopened 6.3 oz tube of Crest Pro-Health.