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How many mL of 5.0 M K2Cr2O7 must be diluted to prep 250 mL of 0.10 M K2Cr2O7 solution? Show your solution in your scratch paper that needs to be uploaded. No solution no points. Observe significant figure rules and proper abbreviations for the units.

In the given reaction: Fe(s) + Cu+2(aq)–> Cu(s) + Fe+2(aq), the reducing agent is 

What is the oxidation state of each bromine in BrO3- ?

You have 505 mL of a 0.125 M HCl solution and want to dilute to exactly 0.05 M. How much water should you add?

Consider a 1.5 M Ba(OH)2 solution , what would be the concentration of [OH-] ? Observe significant figure rules and proper abbreviations for the units.  

In the given reaction, PO4-3(aq)+ HSO4-(aq)↔ SO4-2(aq)+ HPO4-2(aq) Write the Bronsted-Lowry conjugate acid-bases pairs

A patient’s indwelling catheter has been removed by the nurse on the morning of the patient’s anticipated discharge. Which assessment finding warrants intervention be the nurse?

In the substance LiH, the oxidation state of hydrogen is __

You will need to push back the foreskin before catheterizing an uncircumcised male.  After you catheterize the patient you should

The infection control officer is observing hospital staff for appropriate use of aseptic technique.  What observation demonstrates the need for more instruction on surgical asepsis?