7. Medicines were at one time dispensed in the apothecaries measuring system. Several apothecaries units are listed below. Find the number of milligrams (mg) in 1.000 scruple. 1 apothecaries pound = 12 ounces 1 dram = 3 scruples 1 ounce = 8 drams 1 kg = 2.205 English pounds 175 apothecaries pounds = 144 English pounds

7. Medicines were at one time dispensed in the apothecaries measuring system. Several apothecaries units are listed below. Find the number of milligrams (mg) in 1.000 scruple. 1 apothecaries pound = 12 ounces 1 dram = 3 scruples 1 ounce = 8 drams 1 kg = 2.205 English pounds 175 apothecaries pounds = 144 English pounds

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 120CP: A person weighed 15 pennies on a balance and recorded the following masses: 3.112 g 3.109 g 3.059 g...

See similar textbooks

Similar questions

A typical laboratory beaker has a volume of 250. mL What is its volume in cubic centimeters? In liters? In cubic meters?In cubic decimeters?
A person weighed 15 pennies on a balance and recorded the following masses: 3.112 g 3.109 g 3.059 g 2.467 g 3.079 g 2.518 g 3.129 g 2.545 g 3.050 g 3.053 g 3.054 g 3.072 g 3.081 g 3.131 g 3.064 g Curious about the results, he looked at the dates on each penny. Two of the light pennies were minted in 1983 and one in 1982. The dates on the 12 heavier pennies ranged from 1970 to 1982. Two of the 12 heavier pennies were minted in 1982. a. Do you think the Bureau of the Mint changed the way it made pennies? Explain. b. The person calculated the average mass of the 12 heavy pennies. He expressed this average as 3.0828 g 0.0482 g. What is wrong with the numbers in this result, and how should the value be expressed?
Express the measurements to the requested number of significant figures. (a) 96,485 J/C to three significant figures (b) 2.9979 g/cm3 to three significant figures (c) 0.0597 mL to one significant figure (d) 6.626 1034 kg to two significant figures
Precious metals and gems are measured in troy weights in the English system. The following conversion factors are all considered exact. 24 grains= 1 pennyweight 20 pennyweights= 1 troy ounce 12 troy ounces= 1 troy pound 1 grain= 0.0648g 1 carat= 0.200g 1 pound avoirdupois= 453.6 g The density of platninum is 21.45 g/cm 3. What is the volume of one pennyweight of platinum?
A certain city covers an area of 66.4 mi2. How many square kilometers is this? Use the conversion factor 1 mile = 1.61 km. Report your answer to the appropriate number of significant figures.
A student uses a 100.00 mL volumetric flask to determine the density of a sample of water. The mass of the dry empty flask is determined to be 80.354 g. The flask is filled to the line 5 times with the water sample and the mass of the flask and the water is determined each time giving the 5 masses below. measurement 1: 172.275 g measurement 2: 172.288 g measurement 3: 172.28 g measurement 4: 172.263 g measurement 5: 172.378 g Based on the data given above, what is the average density of the sample in g/mL based on those measurements? Enter your answer with 3 significant figures.
How many acres are in nine hectares? Express your answer using four significant figures. One hectare is defined as 1.00 × 104 m2. One acre is 4.356 × 104 ft2, and 1 m = 3.281 ft.
The stone is a unit of weight that is still used in some areas of Europe. It is equal to exactly 14 pounds. Using this information what would a person weighing 14.9 stones weigh in kg? (1 kg = 2.20 lbs).
Beer is often sold by the keg, which has a volume of 15.5 gallons. How many liters is in a keg? There are 0.1337 ft3 in 1 gallon, 1 cm3 in 1 mL, 2.54 cm in 1 inch, and 12 inches in 1 foot.
How many bottles of wine are needed at a wedding if each person drinks 5 glasses of wine and 50 people attend the wedding. Report your answer in units of bottles (enter the exact answer and don't enter the units in your answer).Each glass is 6 fluid ounces. Each bottle is 750 mL. 1 fluid ounce = 29.57 mL
A nickel is found to have a mass of 4.87 grams. Using unit analysis, show what the mass of this nickel is in pounds. Use one of the following to set up the conversion factor. 454 g = 1 lb = 16 oz 1 m = 39.4 in= 3.28 feet 1 km = 0.621 mile 1 L = 1.06 qt 2.54 cm = 1 in 3.79 L=1 gal 4.87 grams X (number) 459 (number) lb Use the References to access important values if needed f g (unit) (unit) lb
A chemist measures the volume of a chemical solution. The volume is 0.0129 L. What is the volume in milliliters? Write your answer as a decimal. mL X 5