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.U 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 2021/11/19A 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 YRt is 0.616 T is 37c G=G+RT * ln(k)
- TTTTT 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 spaceThe 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