Q: e mass of the solution?
A:
Q: How much water would 29.21 grams of an insoluble sample with a density per of 4.35 g/ml displace?
A: Given, the mass of the insoluble sample = 29.21 g The density of the sample = 4.35 g/mL We have to…
Q: How many grams of K2CO3 would you need to make 350 ml of 4M K2CO3?
A: Given data, Molarity = 4M Total volume of solution =350mL (0.35L) It is known that, molar mass of…
Q: (b) Draw a more accurate representation of one unit of C,H,O, dissolved in water.
A:
Q: Calculate the volume in liters of a 0.00181 mmol/L copper(II) fluoride solution that contains 25.0 g…
A: Molar concentration is a unit of measurement for the concentration of a chemical species,…
Q: 1. Why should solid NaOH be weighed on a watch glass and not on a paper?
A: We know solid NaOH can't be weighed on a paper. We use watch glass for weighing NaOH. Here we will…
Q: 38 g sodium nitrate is dissolved in water to make 538 g of solution. What is the percent sodium…
A: Given that: Mass of sodium nitrate = 38 g Mass of solution = 538 g Mass percent of sodium nitrate =…
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A: There are two types of solid particles that are found when we dissolve the solid in water. The…
Q: How much 95% alcohol is needed to prepare 475ml of 80% alcohol?
A: Given: Concentration of stock alcohol solution = 95 % Concentration of final solution required = 80…
Q: How many mew g are there in 1 mg?
A: The units of measurement of the weight of any compound can be given in grams (g) or milligrams (mg).…
Q: How many grams of Xe are contained in 454 mL?
A: Density of a substance is given as the mass per unit volume. The density is directly proportional to…
Q: L00 g of wate
A: Specific heat tells us that how much heat is needed to increase the temperature of 1 g of that…
Q: What mass of ocean water in grams contains 50.8 g of NaCl?
A: Given :- % w/w = 3.4 % mass of NaCl (solute) = 50.8 g To calculate :- mass of ocean…
Q: If ammonia is dissolved in water and the total weights are 80 g at 19%, what are the weights of…
A: The mass of the solution is = 80 g The percent concentration of the solution is = 19 % The weight of…
Q: Convert 39.6 kg of NaCl per 100 kg of water to kilogram moles of NaCl pero kilogram mole of water
A: Cff
Q: Q7\ How to prepare 20 ML)of 0.1 N g/ml & percentage 97%m.wt of H2SO4 98% of H2SO4, if the density…
A:
Q: How many moles are in 135.2g of H2O? Round to 2 decimal places.
A: Mole represent the quantity of a substance.It is used for fundamental particle like as proton…
Q: percent mass
A:
Q: Determine the percent water in CuSO4∙5H2O to three significant figures.
A:
Q: A patient needs 1.5 g of a solid must be given to the patient pe O 60 tablets
A: The dose of a drug: it is the quantitative amount taken by patient for the intended medicinal effect…
Q: % By Volume.
A:
Q: How many grams of MgF2 are needed to prepare 250.5 mL of 0.934 molar aqueous MgF2? Put answer in box…
A:
Q: ny grams of products wil
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Q: DNA crystals are 0.144nm^3. What is the volume in milliliters?
A: Given volume of DNA crystal is 0.144 nm3. We have to convert the volume to mililiters.
Q: The normalty of 0.14 mol/L Al2O3
A: When molarity is multiplied by the n- factor we get normality. Al2O3 has the n-factor of 6.
Q: Vinegar is a mixture of acetic acid and water. What is the percent concentration (volume/volme%) of…
A:
Q: what is the Report. answer L percent water in hydrate. olt Nacl 2H26
A: Mass percentage is equal to the mass of the given substance divided by total mass of compound…
Q: Wnal is the percent by mass of iced tea containing 3.75 g of aspartame in 500 g or water?
A: Given, Mass of aspartame = 3.75 g. Mass of water = 500 g.
Q: To Fahrenheit ['F] = ([°C] x 1.8) + 32 To Kelvin [K] = [°C] + 273.15 %3D o Celsius [°C] = [K] –…
A: Mass of CuSO4 = 297.6 g Moles of CuSO4 =mass/MM = 297.6/159.5 = 1.87 mol Volume of solution =…
Q: How many grams of MgCl2 are needed to prepare 586 mL of 0.234 molar aqueous MgCl2? Put answer in box…
A: The question can be solved using molarity equation:
Q: Calculate the mass of sodium in 75 grams of water at 20°C. Inevica
A: To find: mass of NaNO3 dissolved in 75 grams of water at 20oC
Q: e quantity of
A:
Q: convert *26.30 μmole/mL into mole/L *0.556 g/cm3 into kg/L *.3.5760000x107 mm/s into km/h
A: The given conversions are shown as follows,
Q: Brewing a bottle of beer (333 mL) requires the usage of 10, times more water. How many gallons of…
A: The volume of a bottle of beer is = 333 mL The volume of water in gallons to produce a bottle of…
Q: C. How many grams of water are С.
A:
Q: What is the volume of alcohol in 0.50L of wine which contains 15% alcohol by volume?
A: Given: The volume of alcohol=? The volume of wine =0.50 L Volume percentage=15 %
Q: What is “dilution”?
A:
Q: 5. What volume of beer that is 6.0 % by volume alcohol contains 200. ml CH3CH,OH (ethyl alcohol)?
A: Given:Volume/Volume % = 6.0 %Volume of ethyl alcohol = 200.0 mL
Q: 1.) What the Concenfration of is sugar so lution containing 50g of sugan and 450 g of water by mass…
A:
Q: 378 g f) 3.8 x 10 mol x 0.0670 mol h) (2.3 x 10 m) (4.567 x 10 m)= 2.3x100m 230m
A: Here some values are given, we have to find the final answer of this given question. For…
Q: What is the cncentration of 0.853 meles of suidinam chicide CrNKel) lin l,50 liter ck water?
A: Moles of NaCl(solute)= 0.853moles Volume of water= 1.50L As we know, Molarity= moles of solute/vol.…
Q: A physician orders Keflin 500 mg evry six hours for your patient. Keflin 1 gm/10ml is available for…
A: Physicians order 500 mg per six hours And 1gm/10ml is available for use. If 10 ml required 1gm then…
Q: 15 mg/L of compound X is
A:
Q: A 5.00g sample of sand and salt is 75.0%w/w salt. How many grams of salt and sand are in the…
A: Mass percentage can be defined as the parts of a substance (A) per hundred parts of the total by…
Q: You have just added 25 uL serum to a tube that contains 750 uL of water. What is the correct…
A:
Q: What is the percent by volume of ethanol in water if you use 500ml of ethanol and 900ml of water?
A: Given: Volume of solute (ethanol) = 500 mL Volume of solvent (water) = 900 mL
Q: freezing point and boiling point of water on the Celsius scale?
A: The freezing point is the temperature at which a liquid substance turns into its solid phase. The…
Q: What is the mass, in grams, of 28.62 mLmL of acetone?
A: Mass of solution can be obtained using the given density.
Q: How many water molecules are in a block of ice containing 1.00 molmol of water (H2OH2O)?
A: Water molecules in a block of ice is calculated as follows
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- A sample of an industrial waste water is analyzed and found to contain 16.5ppb Fe2+. How many grams of iron could be recovered from 1.81×103 kg of this waste water? Answer:_______ grams FeCarbon dioxide emissions associated with a one-night stay in a hotel room are calculated at 28.98 kg of CO2 per room day for an average hotel. The 250 rooms of your hotel are all occupied for two days during a college football game. How much CO2 did the guests and hotel release into the atmosphere? Round your answer to the nearest whole number. kgsWrite the empirical formula for the hydrated KAl(SO4)2, based on moles of anhydrous KSI(SO4)2= 0.046 mol molar mass of H2O= 18g/ mol moles of H2O= 0.0444mol ratio pf moles H20 to moles of anhydrous KAI(SO4)2= 9.65/1 . Show all work including units. Hint: if the ratio of moles of H2O to moles of anhydrous KAl(SO4)2 was 4, then the empirical formula would be: KAl(SO4)2•4H2O.
- A chemist carries out the reaction below and obtains 3.45g of iron Fe (Fe, MW=55.845g/mol). Fill in the blanks below to determine the percent yield of the reaction when 8.30g of Fe2O3 (MW= 159.69g/mol) and 3.50g of CO (MW=28.01G/mol)were used in the reaction. Fe2O3(s) + 3CO(g) = 2Fe(s) + 3CO2(g) Note that for two of the blanks, will be the same answer. 1. What would be the mass in grams of Fe produced based on the mass of Fe2O3 used? answer: (blank) 2. What would be the mass in grams of Fe produced based on the mass of CO used? answer: (blank) 3. What is the theoretical yield of Fe in grams? answer: (blank) 4. What is the limiting reagent? Enter the formula of compound. answer: (blank) 5. What is the percent yield of this reaction? answer: (blank)For the following table fill in the missing values and calculate the theoretical yield. A + 2B à C moles 0.00242 0.00242 ?_________ MW ?_________ 98.06 164.16 g ?_________ ?__0.00002467_______ ?_________ mL 0.20 d(g/mL) 0.80Two reactions take place in the reactor following the stoichiometry shown below: 2 A → 5 C and A → 2 D If 135.2 mol of A is fed into the reactor, 29.0 mol of A is leaving the reactor at the end of the process and 97.0 mol of C is produced, calculate the percent yield of C. (Report in % format using two decimal figures, e. g. 99.99%)
- Calcium peroxytoctahydrate is synthesized according to the following reaction. During the synthesis based on 3.5 g calcium carbonate, 7.5 mL of 18% HCl with a density of 1.19 and 5.5 mL of 25% NH3 with a density of 0.91 were used, and further hydrogen peroxide and excess water were added to the medium. Since 2.35 g of calcium peroxytoctahydrate is obtained in this way, what is the% yield of the experiment? (HCl: 36.5 g/mol; NH3: 17 g/mol; CaCO3: 100 g/mol; CaO2.8H2O: 216 g/mol) CaCO3 + 2HCl 2NH3 + H2O2 + 7H2O → CaO2.8H2O + CO2 + 2NH4+ + 2 Cl-For the reaction C4H10 + O2 --> CO2 + H2O a) what weight of C4H10 in grams is needed for 3.01 x 10E23 particles of O2? b) how many moles of CO2 will be produced from 5.0 moles of C4H10? c) what weight in grams of H2O will be produced from 12.5 ml of C4H10? density (p)?of C4H10 = 0.506 g/mLWhen calcium carbide is placed in a beaker of water, the reaction produces an unknown hydrocarbon gas, CxHy. To determine the identity of the hydrocarbon gas produced, a student fills a beaker with water, zeros the scale, and adds a piece of calcium carbide to the water. After the gas escapes, she writes down the following: (a) If the hydrocarbon is 92.2% C and 7.8% H, determine the empirical formula. (b) Using the data from the table, determine the molar mass of the gas. (c) Suppose that the hydrocarbon has a molar mass of 78.10 g/mol. Based on your empirical formula from (a), determine the molecular formula.
- The hydrated salt, MY3·xH2O, was heated strongly in a crucible to remove all the watermolecules of crystallization.The data are for this experiment are given in the table below.Mass of empty crucible and cover 29.73 gMass of crucible, cover, and hydrated salt 32.72 gMass of crucible, cover, and anhydrous salt 31.52 gMolar mass of anhydrous salt 241.88 g/mol(i) Calculate the % composition by mass of water in the hydrated salt.(ii) Determine the value of x.(iii) M is in Period 4 of the Periodic Table of the Elements.If Y = NO3–, identify the element M.(iv) What is the name of this hydrated salt? ___Refer to the melting point data in table E5.4 below to answer question. In a recrystallization of a mixture of adipic acid (A) and salicylic acid (B), the melting point of the crop was experimentally determined as 130.5 to 153.4 oC. What is the percent composition of the crop?The following is the balanced equation for the combustion of butanol in oxygen:C4H9OH(g) + 6O2 --> 4 NO(g) + 6H2O(g) a. How many grams of butanol must be burned to produce 18.50g of carbon dioxide? b. How many grams of water are also produced? c. How many grams of oxygen are needed to produce 18.50g of carbon dioxide? d. Use the results from a, b and c to show this reaction obeys the law of conservation of mass.