o 15.00ml sample of aque aus Hol requires 16.88 ml of 0.40lm NaOH to reach the...
A 20.00 mL sample of HCl was titrated with the 0.022 M NaOH solution. To reach the endpoint required 23.72 ml of the NaOH. Calculate the molarity of the HCI. HCI + NaOH ----> NaCl + H2O Select one: O a. 0.026 M o b. 0.068 M o c. 0.039 M O d. 0.052 M
The end point in a titration of a 76 mL sample of aqueous HCI was reached by the addition of 63 mL of 0.23 M NaOH titrant. The reaction proceeds by the following equation. HCl(aq) + NaOH(aq) - NaCl(aq) + H2O(1) What is the molar concentration of HCI? Report your answer with two significant figures.
help? - 2 hours The end point in a titration of a 35 mL sample of aqueous HCI was reached by the addition of 17 ml of 0.76 M NaOH titrant. The reaction proceeds by the following equation. HCI (aq) + NaOH(aq) → NaCl(aq) + H2O(1) What is the molar concentration of HCI? • Report your answer with two significant figures. Provide your answer below: FEEDBACK Content artribucion QUESTION 11 1 POINT Using the information below, calculate AH of NH,8)...
Write the balanced equation occurring between HCl(aq) and NaOH(aq). a. It takes 15 mL of 0.125 M NaOH to reach the end point of the reaction. How many moles of NaOH have you added? b. What is the mole ratio between HCl and NaOH? How many moles of HCI were in the titrated sample? c. At the beginning of the titration, there were 22 mL of HCl. What was the original concentration of HCl?
2. A 10.00 mL sample of aqueous H2SO, requires 20.00 mL of 0.201 M NaOH to reach the endpoint. Calculate the molarity of H2SO4
O solution. If lemon juice sample was neutralized by itration with NaOH son NaOH for neutralization, what was the 4) A citric acid, HIC6H5O7 in a lemon juice sample was neutral 10.00 mL of lemon juice required 7. ml. 0.221 M N O for cura molarity of the citric acid in the lemon juice? The balanced reaction is 3 NaOH + A,C,H,0,-3 H0 + NaCl,0, 5) Laboratory HCl bench reagents are generally 6,0 M. How would you prepare 7,50 x...
3. A 0.7026 g sample of an unknown acid requires 40.96 mL of 0.1158 M NaOH for neutralization to a phenolphthalein end point. There are 1.22 mL of 0.1036 M HCl used for back-titration. a. How many moles of OH are used? How many moles of Ht from HCI? moles OH moles H+ b. How many moles of Ht are there in the solid acid? (Use Eq. 5.) moles H+ in solid c. What is the molar mass of the...
To reach the second endpoint for the titration of 10.00 ml of a thiosulfuric acid unknown solution, 14.32ml of 0.08751 M NaOH is needed. Look up the molecular formula for maleic acid and write a balanced chemical equation for its reaction with NaOH. What is the concentration of the thiosulfuric acid solution? 3.
9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0.091 M NaOH at 25°C? HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 10. What is the pH of a solution prepared by dissolving 0.241 L of HCl(g), measured at STP, in enough water such that the total volume of the solution is 2.00 L? (R = 0.0821 L.atm/(K.mol)) (Use gas law equation to calculate Mole of HCl dissolved...
Question 38 2.5 pts Suppose 19.2 mL of 0.489 M HCl was used to titrate an unknown sample of KOH (molar mass 56.11 g/mol). What mass of KOH was in the sample? The balanced chemical equation is: HCI + NaOH- NaCl + H20 O 0.114g O 0.527 g O 0.437 g 0 3.42 g