Concept explainers
(a)
Interpretation: The density in g/mL of a 514.1 g of titanium sample having volume 114 cm3 should be determined.
Concept Introduction : Density can be defined as the ratio of mass and volume. It can be formulated as:
(b)
Interpretation: The density in g/mL of the syrup under given conditions should be determined.
Concept Introduction : Density can be defined as the ratio of mass and volume. It can be formulated as:
(c)
Interpretation: The density in g/mL of 8.51 kg block of aluminum having volume 3.15 L should be determined.
Concept Introduction : Density can be defined as the ratio of mass and volume. It can be formulated as:
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EBK BASIC CHEMISTRY
- Six concrete posts are used to support a waterfront pier. Each post has dimensions 14 in x 14 in x 15 ft. The average density of the concrete is 2.4 g/cm3. ( 1g = 1 x 10-6 metric ton) a. Calculate the volume of concrete (in m3) needed to make one post. b. Calculate the total mass in metric tons (t) of all six concrete posts.arrow_forwardWhat does salinity mean? O A. A measurement of the amount of floating particles in fresh water. O B. A measurement of disolved solids in ocean water, mostly salt but also many types of minerals too. OC. A measurement of dissolved solids in fresh water, mostly salt but also many types of minerals too. O D. A measurement of the amount of floating particles in fresh water. DELL F3 F5arrow_forwardA food label has the following values: Total kcal=360 Total fat= 20 g. Total carbohydrate 25 g. How many grams of protein is in this food?arrow_forward
- You have 10% coal tar ointment and pure coal tar. A doctor prescribes coal tar ointment 12%. Which ONE of the following corresponds to the correct amounts of coal tar ointment 10% and pure coal tar that you will need in order to supply 120g of 12% ointment? A. Coal tar ointment 10%= 117.3g ; pure coal tar= 2.67g B. Coal tar ointment 10%= 109.1g ; pure coal tar= 10.87g C. Coal tar ointment 10%= 67.5g ; pure coal tar= 52.47g D. Coal tar ointment 10%=7.7g ; pure coal tar= 112.27g E. Coal tar ointment 10%= 1.5g ; pure coal tar= 118047garrow_forwardA stock solution of sodium chloride solution was prepared (at 25°C) by dissolving 250 mg of sodium chloride (58.44 g/mol) in enough water (18.015 g/mol) to make a total volume of 50 milliliters. Density of sodium chloride (at 25°C) = 2.17 g/mL 1. What is the factor of ammonium hydroxide? A. 1 B. 2 C. 3 D. 4arrow_forwardPart D: Food Calories Naked Juice Serving size 240 mL D1. Name of food product D2. Mass of food nutrients in one serving Fat Carbohydrate 33 g, Protein g, D3. Calculations for Calories (Cal) or kilocalories (kcal) per serving kcal (Cal) Carbohydrate Protein kcal (Cal) Fat kcal (Cal) D4. Total Calories (Cal or kcal) per serving kcal (Cal) D5. Calories (for one serving) listed on the label cal (Cal) D6. Percentage of total Calories from carbohydrate % (show calculations) D7. Percentage of total Calories from protein (show calculations) % D8. Percentage of total Calories from fat (show calculations) % Q 4. How does your calculated number of Calories in one serving compare to the Calories listed on the food product nutrition label? Comment on it.arrow_forward
- The "Nutrition Facts" on a label of a 64 fluid ounce container of apple juice states that a serving size of 8 fluid ounces contains 144 Calories and 16 milligrams of sodium. Nutrition Facts Serving Size 8 fl. oz. (240 mL) Servings Per Container: 8 Amount Per Serving Calories 144 % Daily Value* 0% 0% 8% 10% Total Fat 0 g Sodium 16 mg Potassium 304 mg Total Carbohydrate 29 g Sugars 26 g Protein 0 g a) How many Calories does 1 fluid ounce of apple juice contain? b) How many milligrams of sodium does 1 fluid ounce of apple juice contain? c) How many Calories are in the entire container of juice? d) How many milligrams of sodium are in the entire container of juice?arrow_forward8. a. 10. & H30+ DIBALH 1. 2. H₂O obooks OCH3 Mg Br 2. H₂0arrow_forwarda. 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Normality of the solution. b. 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Formality of the solution. c. 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Molar concentration of Na+ ions. d. 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Molar concentration of OH- ions.arrow_forward
- A solution containing 42% NaOH by mass has a density of 1.30 g/mL. What mass, in kilograms, of NaOH is in 6.00 L of this solution?a. 2.38 kgb. 3.67 kgc. 2.48 kgd. 5.40 kgarrow_forwardAt room temperature, table sugar has a solubility of 200. g in 100 mL of water. In boiling water, solubility of sugar increases to 500. g/100 mL water. A solution at room temperature contains 156 g of sugar/100 mL of water. This solution must be _________.arrow_forward17. A contaminated pond has a lead(II) ion concentration of 1.4 mg/L. This pond has a surface area of 135 ft² and an average depth of 2.8 ft. What mass (in grams) of lead could be recovered from the pond? Possibly useful information is shown below: 1 ft³=28.7 L 1 ft³ = 7.48 gallon 1 m = 3.281 ftarrow_forward
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