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- Part 1) what is average density of water samples. ( 1 g/ml) Part 2) what is percent error.$ F4 An aqueous solution of 2.87 M hydrochloric acid, HCl, has a density of 1.05 g/mL. The percent by mass of HCl in the solution is %. Submit Answer % 5 T G F5 Retry Entire Group 9 more group attempts remaining 6 Cengage Learning | Cengage Technical Support Y H [Review Topics] [References] Use the References to access important values if needed for this question. MacBook Air F6 & 7 gilinent-take F7 8 00 1 DII FB K ( 9 F9 0 L ) O A F10 P Chapter Previous + 11 X Next ☐ Save and Exit OWLY S delesAssuming water has a density of 1.00g/mL. Question Content Area 150. g of 3.05% (w/w) NaCl solution I would weigh out _____ g and add _____ mL of water to the Erlenmeyer flask. Finally, I would swirl the flask to ensure the solution is homogenous. How much do I weigh out in grams? and how much water do I add in mL?
- AaBbCcDc AaBbCcDc AaBbCC AABBCCC A aB 前。 1 Normal 1 No Spac... Heading 1 Heading 2 Title Paragraph A sample of potassium bicarbonate (KHCO3) was reacted with HCl to produce KCl. The following Styles 7 data was collected. Mass of beaker 28.43 g Mass of beaker + KHCO3 36.95 g Volume of HC1 12.0 mL Concentration of HCl 9.0 M Mass of beaker +residue (KCI) 33.82 g Calculate the following quantities. Show calculations where requested: Mass of KHCO3 Mass of residue Mass of 1 mol of KHCO3 No. of moles of KHCO3 used Show calculations below No. of moles of HCl added Show calculations below: Assuming KHCO3 is the limiting reactant, how many grams of KCl can be formed? Show calculations below: Assuming HCl is the limitingʻreactant, how many grams of KCl can be formed? Show calculations below: Which reactant is limiting? Which reactant is excess? Actual yield of KCI: Theoretical yield of KCl: Percent yield of KCl: WThe volume of water sample= 15mL of hard waterQuestion #2. Beers Law Experiments Dilution question. If I stated out with 1000mL of an 800mM solution and wanted to make a new dilute solution. I would add ___mL of water and ___mL of the 800mM solution to make 10mL of a 100mM solution. Hint: Think C1V1 = C2V2
- Principles of volumentric analysis Instruction: Read and analyze each problem carefully. Show your complete solution. Round-off your answers to four decimal places. A normal solution of HCl was prepared by diluting 39.5g of HCl to make a 1 L solution. What is the N of the solution? Answer = _ N2. What is the mass of 1 mL of pure water? How could this information be used to check the accuracy of your pipette?Vodka is typically 80 proof, or 40% ethanol. The density of ethanol is 0.789 g/ml, and the standard shot is 1.5 fl oz (US) or 44.36 ml. in one shot of vodka, what is the mass of ethanol? Assume the alcohol percentage is (volume of alcohol) per (volume of solution). Select one: a. 14.00 g ethanol b. 13.90 g ethanol c. 14.10 g ethanol Od. 12.05 g ethanol
- The concentration of cholesterol in a blood sample is found to be 215 mg/dL. express this concentration in the following units: Enter a number only. Do not spell. Do not use scientific notation. Remember significant figures. a) g/100 mL g/100 mL b) mass–volume percent % (m/v)Solid particles in water may exist in 3 ways - dissolved, dispersed, or suspended. (True/False) When a previously dissolved solid separates from water either via chemical reaction or a change in certain condition like pH or temperature, it forms a______.Calculate the volume in liters of a 4.66x10^-7 mmol/L mercury(I) chloride solution that contains 50.0 g of mercury(I) chloride. Please type answer note write by hend.