Determine the percentage error and the concentration of the prepared NaOH given the following data. NNaOH (true) = 0.045 N %3D Trial 1 Trial 2 Weight of KHP 0.2503 grams Vr NAOH 25 mL 52.1 mL V NaOH 26.0 mL NNaOH Average NNaCH
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- Aktiv Chemistry < + C X b Success Confirmation XM Your Chemistry answe x app.101edu.co Answered: A 0.660 M X b Answered: How many × b Answered: A student X Time's Up! What quantity in moles of NaOH are there in 82.0 mL of 0.300 M NaOH? 1 4 7 +/- 2 5 8 New Tab mol 3 6 9 G 0 x + Submit X C x 100a tab Excess sodium phosphate is mixed with 641.2 mL of strontium chloride at a concentration of 0.492 mol/L. If the reactions has a 50.27 % yield, what is the mass of dry precipitate actually collected? Your Answer: Question 4 (4 points) esc ! 1 9 Answer a @ 2 W S # 3 e C d $ 4 units r olo in % 5 f t V <60 g y & 7 b h ★ U 0.0 8 j n i 0 k m 0 V Vt we didnt he ad tne sammple iong enouan +o remove all the H2C hydratičn ur calculatons would be neavierima king n toO 5. What mass of CUSO<(H2O)s (Copper II sulfate pentahydrate), when heated and dehydrated, would result in 6.23 g of anhydrous salt? 'n" have been too high or C6.2,39X159,69 MOI O39 0:391 CUSOU CH20)5 159.69 90 59.60+90 Y MOV 909 2/77g x 159.G9x 61239_X- 189 X C6,23+3.631539,86159 -TI626309 x 9= 3,6315 -x* 54.6.03903 うX = 20175 (CUSO4 OEABCH20).20167 0.03903 =CUSO4 CH2O)5 63,5 +32,1t 84:16 sced Chemistry with Vernier 2-3
- Give typed full explanation After heating 1.1929g CaCO3 and MgCO3 for some minutes the mass of the mixture decreased to 0.8015. The %comp of CaCO3 turned out to be 54.29% and MgCO3 %comp is 45.71%. Calculate the percent error/percent yield.A chemist measured the concentration of a solution three times and obtained the following results (in mol/L): 0.0147, 0.0146, 0.0148. Do the results appear precise, accurate, or neither? Explain. avenge =.0147 (pdimus.co 120 Doy Jine What information would you need for the results to be both precise and accurate? If the true value is 0.0149, calculate the percent error.Stoichiometric coefficients are used to describe the mole ratio. "F Mostly sunny F1 ! O Q A 1 N True F2 @ 2 W S F3 Alt -Ő+ X #M 3 E F4 D $ 4 C F5 R F % 5 V F6 T ☆ G F7 A 6 a Y B F8 & 7 H U N F9 ★ 8 J - F10 M ( 9 K F11 O < False 3 ) 0 L Alt F12 P E A C
- * 00 LL CO %23 6. What volume of 0.08892 M HNO3IS required to react completely with 0.2352 g of potassium hydrogen phosphate? HNO3(aq) + K2HPO4(ag)-H3PO4(aq) + KNO3(ag) L Display Settings F4 F5 F7 F8 F10 F11 F12 2$ 4. 5. 9. E R T YU eFu X NCH X A NCH X ь Му х Oef X n Oef X U Oef x LU Oef x n Oef x n Oef x O 202 x LU Oef x U Mic x + A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 11: Give the preferred IUPAC name of the compound in Figure 11. [Use lowercase letters. Do not use spaces if it is not required in the name.] * Jou antwoord Figure 11 Br CH3 CH3- CH2- CH-CEC-CH– CH3 09:01 P Type here to search 25°C Sunny 2021/11/19TTTTT 3. Jeanette wants to prepare a 0.125 mol/L solution of sucrose C12H22O11. The desired volume Jeanette wants to make is 50 ml. Formula Mass= Volume (L)= Moles Sucrose = Mass Sucrose= 0.050 L of water (solvent) ? Mass of Sucrose Formula Mass= Volume (L) - Moles LI SO Mass Li₂SO. = Mass of 0.050 L of 0.125 mol/L Sucrose 4. Grover wants to prepare a 6.00 mol/L solution of Li,SO.. The desired volume Grover wants to make is 500 ml. Li-SO Show work in this space SLIVEWORKSHEETS Show work in this space
- Rt is 0.616 T is 37c G=G+RT * ln(k)The percent concentration of a solution is a ratio of the amounts of dissolved solute and solution, expressed as a percentage. The percent concentration of a solution can be written generally as % concentration = amount of solute x 100% amount of solution Depending on the situation, a percent concentration might be calculated for mass/mass, volume/volume, or mass/volume. tab os lock ntrol esc alt option Q A Z 5,566 2 W S AUG 2 F2 X H command 3 20 E F3 D $ 4 C 888 R Part A F4 70 Calculate the mass percent of a solution that is prepared by adding 54.8 g of NaOH to 461 g of H₂O. Express your answer numerically. ► View Available Hint(s) LIVE ΑΣΦΑ++ ο Submit Part B F [ΫΠ| ΑΣΦ Calculate the mass/volume percent of a NaCl solution in which 136 g of NaCl is dissolved in enough water to give a total volume of 1.44 L . Express your answer numerically. View Available Hint(s) % 5 V T G - 0 B MacBook Air F6 Y & - V 8⁰ 7 H #tv NA ? F7 ? U N %(m/m) %(m/v) 00* J FB M ( 9 K L F10 P command Review I Cons…LU eFu X NCH X NCH X ь Му х LU Oef x LU Oef x U Oef x LU Oef x n Oef x U Oef x A 202 x Oef X h Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 17: Which type of compound reacted to form the product in Figure 17 from benzene? * Ketone Aldehyde Acyl halide Haloalkane Carboxylic acid Figure 17 AICI, + 09:04 P Type here to search 25°C Sunny 2021/11/19