At the beginning of the shift at 7: 00 am, a client has 650 ml of normal saline solution left in the intravenous bag, which is infusing at 125 ml/hr. at 9: 30 am the healthcare provider changes the iv solution to lactated ringer solution, which is to infuse at 100 ml/hr. what total amount of intravenous solution should the client have received by the end of the 8-hour shift? record your answer using a whole number.

The 8 hour shift is from 7.00 am to 3.00 pm.
At the beginning, from 7.00 am to 9.30am (2.5 hrs.), the client has normal saline which is infusing at 125 ml/hr.
Hence amount of normal saline which was injected= 2.5 hrs. x 125 ml/hr.
                                                                                 = 312.5 ml
from 9.30am to 3.00 pm (5.5 hrs) lactated ringer solution, which is to infuse at 100 ml/hr was given. 
Hence amount of lactated ringer solution given = 5.5 hrs x 100 ml/hr
                                                                           = 550 ml
Total amount of IV solution given = normal saline + lactated ringer solution
                                                     = 312.5 ml + 550 ml
                                                     = 862.5 ml
                                                     = 863 ml

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6

if you mean hydrogen and oxygen then water is the product