EXAM PROBLEM #7 Instructions:  Type your answer to the que…

EXAM PROBLEM #7 Instructions:  Type your answer to the question in the textbox below.  Show all work on your “work” page.  Identify which problem it is:  #7 Question: A 20.0 mL sample of 1.48 M HBr solution must be diluted to 0.62 M HBr. What should the volume of this new solution be?  

EXAM PROBLEM #6 Instructions:  Type your answer to the que…

EXAM PROBLEM #6 Instructions:  Type your answer to the question in the textbox below.  Use the T2 button to format subscripts.  Remember to turn it on then turn it off. Show all work on your “work” page.  Identify which problem it is:  #6 Question: An unknown compound is found to be (by mass) 17.4% N and 82.6% F. What is the empirical formula for this compound?