pH 9.0 Express your answer using one significant figure. ΑΣφ ? (HO*] = M Submit Request Answer Part B pH 9.0 Express your answer using one significant figure.

Q: [OH ] = 3.7×10-12 M Express your answer using two significant figures. H&O'] = Submit Request Answer

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Q: Acetic acid percentages in five vinegar samples were 4.98, 4.86, 4.97, 4.99. 5.08, 5.11, 4.97, 5.32…

A: To determine if any value can be rejected, we need to use Q-test.

Q: for question B, how was 6.3246×10-5 acquired? my calculator gives 2.1x10-4

A: B. Given,Concentration of HOCl = 0.10 MThe Ka of HOCl = 4.0 × 10-8Required,                   The…

Q: A solution is prepared by diluting 2.81 mL of the blue dye stock solution to 25.00 mL. The measured…

A: The data given is, Given: Volume of blue dye used = 2.81 mL. And the volume of final solution =…

Q: The instructor reveals that the weak acid is hypochlorous acid, HOCl. The known Ka for HOCl is…

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Q: A grain of salt weighs ~ 0.0000585 grams (58.5 micrograms) How many moles is that? (AW Na = 23.0 g…

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Q: 9. If you pour 60 grams of KCl into 100 g of water at 70°C, and stir vigorously, which type of…

A: 9. Given information,   Mass of KCl = 60 g   Mass of water = 100 g   Temperature = 70oC

Q: y= mx+ b Slope () =   -4E-09        y-intercept () = 0.4021 and OD= 0.540 , Calculate the…

A: y= mx+ b Slope (m) = 4*10-9 [only magnitude is considered] y intercept = 0.4021 OD or Optical…

Q: Table 1 Vinegar Sample 1 Vinegar Sample 2 Vinegar Sample 3 Calculations for Sample 1 Mass of 5.00 g…

A: Answer is as follows

Q: 30 20 KCIO 10 -Ce2(so) 10 20 30 40 50 60 70 80 90 100 Temperature (°C) 8. How many grams of KCl will…

A: The solubility curve is given for each species. The mass of each species required that will form a…

Q: What is the answer to this equation with the correct number of significant figures? I tried both…

A: We have to solve the given equation.

Q: 1A (1) 2A (2) ЗА (13) 4A (14) 5A (15) 6A (16) 7A (17) 8A (18)

A: Various elements are arranged in the periodic table. There are some vertical columns and horizontal…

Q: You begin preparation of the calibration curve to measure absorbance vs concentration of FeSCN2+. To…

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Q: Which of the following statements concerning the SI system is/are correct? 1. Prefixes are used to…

A: We have to predict the correct statement.

Q: Please help with A and B.

A: Both joule and calorie are the units for expressing the energy which is the relationship between…

Q: A student prepares a 1.1 mM aqueous solution of 4-chlorobutanoic acid (C3H6CICO₂H). Calculate the…

A: Please comment down for any doubts. I hope my answer helps you.

Q: 320.12−(6108.4/3.5) Express your answer to the appropriate number of significant digits.

A: Rules for significant digitsDigits from 1 to 9 are always significant. Zeros between two other…

Q: Use the exponent (EE) functionality on your calculator to do these calculations (a & c should be…

A: Significant figures of the answer will be two significant figures as the questions have .

Q: (7 x 10-5) (6.30 × 10¹) (7.76 x 10-8) Express your answer using the correct number of significant…

A: A). After calculating , upto 3 significant figure 5.68  * 107

Q: None

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Q: What is the result of the following calculation to the correctnumber of significant figures?(6.266 −…

A: (6.266 − 6.261) ÷ 522.0 = ( 0.005) ÷ 522.0 = 9.579 x 10-6  Number of significant figures are 4.

Q: Using a 10mL pipette, you prepare a standard solution by pipetting 10.00mL of the standard iron…

A: A particular pipette has an approximate tolerance or uncertainty value. Based on these uncertainty…

Q: 0.20 M NH4CI Express your answer to two decimal places. V ΑΣφ pH =

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Q: I'm just asking about 2 and 3 but I assume you need the web to answer them

A: The solution is as follows:

Q: Using a 25mL pipette, you prepare a standard solution by pipetting 25.00mL of the standard iron…

A: All measurements contain 3 parts , that is -The measurement The uncertaintyThe unit The uncertainty…

Q: If the flux of molecules diffusing through an area of 1 µm² on a cell membrane is J₁, then the flux…

A: The particles or molecules travel from higher concentration to lower concentration is known as…

Q: A particular beer is 6.50 % ethanol by volume. If a single bottle of beer contains a total of 750.0…

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Q: Sources of error: Method 1  Equipment: About ten grams of NaHCo3.  10 ml distilled water Small…

A: The purpose of this experiment was to utilize the gravimetric method for determining the…

Q: [(2.82 × 10®) ÷ 50.882] + 154.08

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.