Teflon (the non- stick coating on cookware) contains a compound containing only C and F called polytetrafluoroethylene (PTFE). If you have 115 g of PTFE, what conversion factor will you need to find the mass of carbon (in the sample) in one step?
Q: Iron(III) chloride is used to treat drinking and waste water. It can be made by reacting iron with…
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A: The relationship between mass in Kg and micrograms is 1 Kg = 1000 grams = 109 micrograms
Q: A certain solid has a density of 8.0 g/cm3. If 16.0 g of this solid are poured into 4.00 mL of…
A: Given: Volume of water = 4.00 mL mass of solid, m = 16.0 g density of solid, d= 8.0 g/cm3
Q: Lithium is the least dense metallic element. Its density is 0.534 g/mL. What is the mass of lithium…
A: Given : Density = 0.534 g/mL Volume = 1.00 in3 Convert in3 into mL as follows. 1 in3 = 16.3871 mL
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Q: A brownie contains 1.30 x 102 mg of sodium. What is this mass in units of grams?
A: 1 mg = 10-3 g
Q: What is a conversion factor? Give an example of a conversion factor
A: Mathematical tools are used for the measurement of various values.
Q: What is the mass of 1 gal of carbon tetrachloride in grams? In pounds. I 4.55 L. 1 lb.- 0.454 kg)
A: Given : volume of CCl4 = 1 gal To calculate :- mass of CCl4 (in grams and pounds)
Q: You wish to prepare 193 grams of 8.25% (w/w) NaNO3. Assume that the density of water is 1.00 g/mL.…
A: In Question A) Given 8.25%(w/w) of NaNO3 Means that 8.25g of NaNO3 is present in 100g of solution.…
Q: 1. Every three times I clean my bedroom, my mother makes me an apple pie. If An apple pie requires…
A: Note: According to our guidelines we are supposed to answer only one question. Kindly repost other…
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A: Density :- The ratio of mass oa substance to its volume is known as density Density = mass /…
Q: A bank teller is asked to assemble “one-dollar” sets of coins for his clients. Each set is made of…
A: A bank teller is asked to assemble “one-dollar” sets of coins for his clients. Each set is made of…
Q: A patient is prescribed 0.020 mg of a drug that is available in 10 μg tablets. How many tablets are…
A: Given :- amount of drug prescribed by doctor = 0.020 mg mass of drug in each tablet =…
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A: Given that, ammonium phosphate [NH43PO4] is an important ingredient in many fertilizers. It is…
Q: Ammonium phosphate ((NH4) PO4) is an important ingredient in many fertilizers. It can be made by…
A: Consider the given equation is as follows: Reaction: H3PO4 + 3 NH3 →…
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A: Since moles of Cu(NO3)2 we want to produce = mass/molar mass molar mass = 187.5 g/mol => moles…
Q: A mouthwash is 21.6% ethanol by mass. If each bottle contains 0.358 pt of mouthwash with a density…
A: The mass of ethanol in each bottle is calculated as,
Q: Given the two liquids, gasoline (d = 0.70 g/mL) and chloroform (d = 1.5 g/mL), how could you…
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Q: Ammonium phosphate ((NH4), PO4) is an important ingredient in many fertilizers. It can be made by…
A:
Q: A mouthwash is 21.6% ethanol by mass. If each botte contains 0.358 pt of mouthwash with density of…
A: The mass of ethanol in each bottle is calculated as,
Q: 2. When you donate blood, you usually give 1.00 pints of blood. If a blood has a density of 1.06…
A: Given that 1 pint of blood is donated. Volume of blood in milliliters can be calculated as follows:…
Q: How many cups are there in 1.00 gallon of ice creams?
A: The volume unit conversion between gallon and cups
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A: We have to calculate the mass of ammonium phosphate produced.
Q: In this synthesis, you started with 100 mL of soybean oil. Given that the density of soybean oil is…
A: Given: Volume of soybean oil = 100 mL Density of soybean oil = 0.917 g/mL
Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…
A: Density is the ratio of mass and volume.
Q: Sodium Nitrite, NaNO2, is a preservative for hotdogs. A ten pack of hotdogs contains 110 milligrams…
A: NaNO2, is a preservative for hotdogs. 10 pack of hotdogs contains 110 milligrams or 0.110 g of…
Q: a 2.86E1 g sample of NaHCO, how many grams of sodium are present? Use two decimal places in atomic…
A: Given weight of NaHCO3 = 2.86 E1 = 2.86 × 101 = 28.6…
Q: 3. Calculate the mass in grams of a 525 cm³ block of lead. 1.39/c 575ch 3. 4. Calculate the volume…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
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A: The amount of Cu and I2 used in reaction is 10.012 g and 37.307 g, respectively.
Q: What is its density in kg/m3?
A: Given :- density of Be = 1.85 g/cm3 To calculate :- density in kg/m3
Q: how many tablets should the patient take?
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Q: You wish to prepare 202 grams of 11.8 % Ba(OH)2. You will need _____ grams of barium hydroxide and…
A: Given: Weight of solution = 202 gm % by mass = 11.8 % Density of water = 1.00 g/ml
Q: to make a tablet of aspirin, it requires 249 mg of salicylic acid. if the chemist purchased 9.0 x…
A: mass of salicylic acid purchased by chemist = 9.0 x 10-3 OZ Mass of salicylic acid required to…
Q: Substance A has a density of 0.30g/ml and substance B has a density of 0.690g/ml. Are the particles…
A: Density = It may be defined as mass of a substance per unit volume.Mathematically,
Q: What is the mass of 1.89x10^23 atoms of chlorine?
A: Mass of 1 mol Cl = 35.453 g Mass of 1 mol Cl2 = 70.906 g 1 mol contains = 6.022 × 1023…
Q: Table salt has a density of 2.16 g/mL. If you used 2.00 mL on your food, how much in mg is that?
A: Given, Density (d) = 2.16 g/mL Volume (v) = 2.00 mL mass (m) = ? mg Note: 1 g = 1000 mg
Q: At room temperature the element bromine, Br2, is a liquid with a density of 3.12g/cm3 . Calculate…
A: Density is defined as the mass of the substance per unit volume. Bromine is a liquid at room…
Q: Ethanol is a common laboratory solvent and has a density of 0.7890.789 g/mL. What is the mass, in…
A: Hi there! The question which you have posted says that the density of 0.7890.789 g/ml. Assuming it…
Q: What is the volume of 12.0 grams of an alcohol whose density is 0.920 g/mL?
A: Since density is defined as the mass of compound per volume of the compound Hence density = mass /…
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Q: What is the mass (in g) of each of the following a sphere of zinc witha diameter of 1.26 cm. The…
A: Mass of a substance = Volume of the substance x Density of the substance.
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- 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.)Lipitor, a pharmaceutical drug that has been shown to lower "bad" cholesterol levels while raising "good" cholesterol levels in patients taking the drug, had over $11 billion in sales in 2006. Assuming one 1.0-g pill contains 5.5% of the active ingredient by mass, what mass in kg of active ingredient is present in one bottle of 25 pills?The following quantities were reported on the labels of commercial products. Determine the number ofsignificant figures in each.(a) 0.0055 g active ingredients(b) 12 tablets(c) 3% hydrogen peroxide(d) 5.5 ounces(e) 473 mL(f) 1.75% bismuth(g) 0.001% phosphoric acid(h) 99.80% inert ingredients
- The Great Star of Africa weighs 530.40 carats. The Great Star of Africa also has an estimated value of $2 billion. What is the price per carat for the Great Star of Africa?Diamond is a form of elemental carbon. Diamonds are weighed by carats, where 1 carat = 200 mg. Consider a 2.5 carat round cut diamond (approximate as spherical) with a radius of 3.24 mm. a) What is the density (g/cm3) of the diamond? (Vol of sphere = (4/3)??^3) b) How many carbon atoms are contained within the diamond? c) What is the mass (in g) of one single carbon atom?A mouthwash is 21.6% ethanol by mass. If each botte contains 0.358 pt of mouthwash with density of 0.876 g/mL, how many kilograms of ethanol are in 180 bottles of mouthwash?
- The composition of a mixture of potassium chlorate and potassium chloride is to be determined. A 8.96 gram sample of the mixture is heated until the creation of oxygen gas stops. If the sample mass after heating is 7.89 grams, what is the percent by mass of potassium chlorate in the mixture? Report your answer with 3 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]If each bottle contains 1.61 ptpt of mouthwash with a density of 0.876 g/mLg/mL, how many kilograms of ethanol are in 190. bottles of the mouthwash?
- A mouthwash is 21.3% ethanol by mass If each bottle contains 1.43pt of mouthwash with a density of 0.876g/ml, how many kilograms of ethanol are in 110 bottles of the mouthwashyou have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the percentage of salt by mass in this seasoning?(express the percentage numerically. Do not round)The use of freons is being phased out because of the damage these compounds do to the stratospheric ozone layer. One of the freons, CCl2F2, is manufactured from carbon tetrachloride and hydrogen fluoride. a. If a manufacturer wishes to convert 179 kg of carbon tetrachloride into CCl2F2, what is the minimum mass (in kg) of hydrogen fluoride required? b. What is the mass of CCl2F2 will be obtained if this reaction is 100 % efficient? c. What is the mass of HCl will be obtained if this reaction is 100 % efficient?
