Consider the reaction: 2 NaBH4(aq) + H2SO4(aq) → 2 H2(g) + Na2SO4(aq) + B2H6(g) What volume, in mL, of a 0.540 M solution of NaBH4 is required to produce 0.525 g of B2H6? H2SO4 is present in excess.
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Consider the reaction: 2 NaBH4(aq) + H2SO4(aq) → 2 H2(g) + Na2SO4(aq) + B2H6(g) What volume,...
Consider the reaction: 2 NaBH4(aq) + H2SO4(aq) → 2 H2(g) + Na2SO4(aq) + B2H6(g) What volume, in mL, of a 0.515 M solution of NaBH4 is required to produce 0.541 g of B2H6? H2SO4 is present in excess. mL
Consider the reaction between sulfuric acid and sodium hydroxide: H2SO4(aq) + 2 NaOH(aq) → Na2SO4(aq) + 2 H2O(l) ΔHrxn = -111 kJ 125 mL of 0.400 M H2SO4(aq) and 125 mL of 0.400 M NaOH(aq) is mixed in a coffee cup calorimeter. Calculate qrxn. The reaction goes to completion.
Consider the reaction H2SO4(aq) + 2NaOH(aq) → 2H2O(l) +Na2SO4(aq). If 25 mL of H2SO4 was needed to react with 15 mL of 0.20 M NaOH, what is the molarity of the H2SO4(aq)?
4. Using the following reaction, H2SO4 (aq) + 2 NaOH (aq) → Na2SO4 (aq) + 2 H2O () calculate the molarity of the H2SO4 solution if 17.45 mL of NaOH was necessary to reach the endpoint of a titration. The molarity of the NaOH solution was 0.425 M and 26.30 mL of H2SO4 was added to the Erlenmeyer flask.
1. Determine the volume (mL) of 0.400 M H2SO4 acid required to react completely with 128.0 mL of 0.525 M NaOH base solution. Ans: 82.0 mL H2SO4 (aq) + 2NaOH (aq) → Na2SO4 (aq) + 2H20 (1)
2Na(s) + H2SO4(aq) ? Na2SO4(aq) + H2(g) Write the reaction above in total ionic form and identify the spectator ion(s). The dissolved substances (designated by aq) are the only ones that dissociate completely into ions. a. Na+ b. H+ c. SO42- d. more than one choice is correct
Diborane, B2H6, can be produced by the following reaction: 〖2NaBH〗_4 (s)+H_2 〖SO〗_4 (aq)→〖2H〗_2 (g)+〖Na〗_2 〖SO〗_4 (aq)+B_2 H_6 (g) Calculate the volume, in milliliters, of 0.0875-M H2SO4 needed to completely react with 1.35 g NaBH4.
2NaOH(aq) + H2SO4(aq) --> Na2SO4(aq) + H2O(l) 15.6 mL of 0.25M H2SO4 is required to completely reract with 12.3 mL of a NaOH solution. What is the concentration of the NaOH solution? A. 3.9 M B. 0.0078 M C. 0.63 M D. 0.0039 M
1. For the reaction... H2SO4 + 2LIOH Li2SO4 + 2H2O a. What volume of 3.98 M H2SO4 is required to neutralize 25.0 grams of LiOH? b. If 25.50 mL of 0.625 M LiOH is required to react with 35.50 mL of H2SO4, what is the molarity of the H2SO4? 2. For the following reaction... Na2SO4 + BaCl2 2 NaCl + BaSO4 a. If 125 mL of a 3.25 M BaCl2 solution reacts with Na2SO4, how many grams of BaSO4 is...
Consider the following reaction: 2 HCl(aq) + 1 Mg(s) → 1 MgCl2(aq) + 1 H2(g) ΔH°rx = -465.8 kJ Determine the amount of heat released, in kJ, of each of the following scenarios. Give each answer to 2 decimal places. (a) 10.69 g of Mg(s) is reacted with excess HCl(aq)· (c) 1.17 g of H2(g) is produced from the reaction after completion. (b) Excess Mg(s) is added to 440 mL of 0.996 M of HCl(aq)· (d) 580 mL of a...