1 One 55 g serving of a cereal provides 267.0 mg of sodium, which is 11.6 % of therecommended daily allowance. Determine the amount of sodium (in grams and moles) inthe recommended daily allowance.a) Massb) MolesmolHelpful tip: To enter a number in scientific notation, enter 1.0E5 or 1.0e5, for 1.0 x 105 where the E# (or e#)denotes 10*

Given is 267.0 mg sodium is 11.6% of recommended daily allowance. We are to find daily allowance of…

Answered: One 55 g serving of a cereal provides…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.3PAE

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Similar questions

The German chemist Fritz Haber proposed paying off the reparations imposed against Germany after World War I by extracting gold from seawater. Given the following data, what was the dollar amount of the gold that could have been extracted from 3.0 m3 of seawater? The price of gold at the time was $0.68 per gram of gold. Gold occurs in seawater to the extent of 5.15 x 1011 atoms per gram of seawater. The density of seawater is 1.03 g/cm3.
(a) The recommended daily allowance (RDA) of the trace metal magnesium is 410mg/day for males. Express this quantity in g/day. (b) For adults, the RDA of theamino acid lysine is 12 mg per kg of body weight. How many grams per day shoulda 75 kg adult receive? (c) A typical multivitamin tablet can contain 2.0 mg of vitaminB2 (riboflavin), and the RDA is 0.0030 g/day. How many such tablets should a persontake each day to get the proper amount of this vitamin, assuming that he gets nonefrom any other sources? (d) The RDA for the trace element selenium is 0.000070g/day. Express this dose in mg/day.
An engineer is working with archaeologists to create a realistic Roman village in a museum. The plan for a balancein a marketplace calls for 100 granite stones, each weighing 10 denarium. (The denarium was a Roman unit of mass:1 denarium = 3.396 g.) The manufacturing process for making the stones will remove 20% of the material. If the graniteto be used has a density of 2.75 g/cm3, what is the minimumvolume of granite that the engineer should order?
21.1 g O2 20.5 g C8H10 Express the answers in molecules to three significant figures
1.11 Consider the jar of jelly beans in the photo. To get an estimateof the number of beans in the jar you weigh six beansand obtain masses of 3.15, 3.12, 2.98, 3.14, 3.02, and 3.09 g.Then you weigh the jar with all the beans in it, and obtain amass of 2082 g. The empty jar has a mass of 653 g. Based onthese data, estimate the number of beans in the jar. Justifythe number of significant figures you use in your estimate.[Section 1.6]
(a) Palladium (Pd) is an element with properties similar to those of platinum. It is useful in eliminating harmful emission produce by internal combustion engines. Two students were given identical cylindrical “palladium” bars with the following data: Mass = 96.03 g; Length = 10.7 cm; Diameter = 9.82 mm; Density = 12.02 gcm-3 Show the calculations that Student K and S would do if: Student K was asked to determine whether his bar was made of pure palladium. Student S was asked to calculate the grams of ethyl alcohol (d = 0.789 gcm-3) his bar would displace.
An antacid tablet weighing 0.853 g contained calcium carbonate as the active ingredient, in addition to an inert binder. When an acid solution weighing 56.519 g was added to the tablet, carbon dioxide gas was released, producing a fizz. The resulting solution weighed 57.152 g. How many grams of carbon dioxide were produced?
This year, like many past years, you begin to feel very sleepy alter eating a large helping of Thanksgiving turkey. Some people attribute this sleepiness to the presence of the amino acid tryptophan in turkey. Tryptophan can be used by the body to produce serotonin, which can calm the brains activity and help to bring on sleep. a. What mass in grams of tryptophan is in a 0.25-lb serving of turkey? (Assume tryptophan accounts for 1.0% of the turkey mass.) b. What mass in grams of tryptophan is in 0.25 quart of milk? (Assume tryptophan accounts for 2.0% of milk by mass and that the density of milk is 1.04 kg/L.)
3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1 mole of sand (ignoring the space between grains)? What is the volume in liters?
When 12.6 g calcium carbonate (the principal component of chalk) is treated with 63.0 mL hydrochloric acid (muriatic acid sold in hardware stores; density = 1.096 g/mL), the calcium carbonate reacts with the acid, goes into solution, and carbon dioxide gas bubbles out of the solution. After all of the carbon dioxide has escaped, the solution weighs 76.1 g. Calculate the volume (in liters) of carbon dioxide gas that was produced. (The density of the carbon dioxide gas is 1.798 g/L.)
A bottle of drinking water is labeled 24 fluid ounces (710 mL).” What is the mass in milligrams of 0.69 fluid ounces of the H2O? Suppose that silver is selling for $308 / lb. How many grams of silver could you buy for one dollar?
Fluoride ion is poisonous in relatively low amounts: 0.2 g of F-per 70 kg of body weight can cause death. Nevertheless, in order to prevent tooth decay, F- ions are added to drinking water at a concentration of 1 mg of F- ion per L of water. How many liters of fluoridated drinking water would a 70-kg person have to consume in one day to reach this toxic level? How many kilograms of sodium fluoride would be needed to treat a 8.50x107-gal reservoir?

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