Stoichiometry Laboratory Report
Name:_____________________
Date:_____________________
1. Provide the correct conversion units for the following measurements:
a. 10-km run = _______________mi
b. 55mph = ________________ km/hr
c. 5-L cardiac output = ________________qt
d. 600-ml urinary bladder volume = ________________oz
e. 8Å membrane port diameter = ___________________pm
f. 2000-lb Honda car = __________________kg
g. 15g hemoglobin per 100 ml blood = ______________mg/ml
h. 120 mmHg blood pressure = ________________lb/in2
i. 100-yd dash = ___________________m
j. 7-ft athlete = ____________________m
k. 7-micron RBC diameter = ____________µm
l. 1 ml urine output per minute = ___________________gal/day
m. 100 ml plasma = __________________L
n. 70-kg man = _________________lb
o. 25ᵒC room temperature = _________________ᵒF
p. 98.6ᵒF body temperature = ________________ᵒC
2. A power lifter lifts 500lb 6ft off the ground. How much work has he performed?
a. __________________ft-lb
b. __________________kg-m
c. How many calories of energy did he use to produce this work? __________cal
d. If he performs this feat 11 times in 1 minutes, what is his power output?
i. __________________HP
ii. __________________W
3. A physician has orders a 0.35 mg/kg of body weight drug dosage for a 215-lb patient to control
his blood sugar levels. How large is each dose? _________________________________
Concentration of Solutions
Atomic weights:
Na+ = 23g/mol K+ = 34 g/mol
Molecular Weights: Glucose 180 g/mol
Ca++ = 40 g/ml Cl- = 35.5 g/mol
KCl = 74 g/mol CaCl2 = 110 g/mol
1. How many grams of glucose would you need to make 500 ml of an 8% solution? __________g
2. What is the percent concentration of 6g of NaCl dissolved in 1 L of solution? ___________%
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How many grams of KCl would you need to make 250 ml of a 0.5M solution? ____________g
What is the molar concentration of a 9% solution of glucose? ____________M
What is the percent concentration of a .3M solution of CaCl2? __________%
Sodium ions are found in the extracellular fluid (ECF) in a concentration of .15 M. How many
grams per liter is this?______________g/L How many milligrams per milliliter? _________mg/ml
What is the osmolar concentration of an 11.7% solution of NaCl? ______________OSM
A 0.9% solution of NaCl is considered isotonic to mammalian cells. What molar concentration is
this? ___________________M
What percent concentration of KCl would be isotonic to body cells? _________________%
What is the osmolar concentration of 33% solution of CaCl2? ________________OSM
How many grams of glucose would you need to make 500 ml of an isotonic glucose solution to
infuse into a patient? ____________________g
What is the molarity of a salt solution made by dissolving 560 mg of NaCl in 4 ml of
water?____________
a. What is the osmolarity of this solution? Assume the final volume is the same as the
volume of the water.
Apply What You Know
1. One of the active ingredients of Alka-Seltzer, an antacid, is NaHCO3. Write out an equation to
describe how and why NaHCO3 neutralizes stomach acids (HCl).
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