**Reaction Stoichiometry Practice Problem**Consider the following reaction with a 100% yield:\[ 2Al(s) + 6HClO_4(aq) \rightarrow 2Al(ClO_4)_3(aq) + 3H_2(g) \]Answer the questions below:a) How many moles of \( HClO_4 \) are needed to produce 0.400 moles of \( H_2 \)?b) How many grams of \( HClO_4 \) are required to completely react with 50.0 grams of \( Al \)?c) If 1.40 moles of \( H_2 \) are produced, how many grams of \( Al(ClO_4)_3 \) would also be produced?d) If 25.0 grams of \( Al \) are mixed with a solution containing 150 grams of \( HClO_4 \), how many grams of \( H_2 \) could be produced?e) (Refer to part d) Which reactant is in excess, and how many grams of it remain?

Note - Since you have a question with multiple sub-parts, we will solve the first three sub-parts…

2. Assume the following reaction has a 100% yield: 2Al(s) + 6HC10,(aq) 2Al(CIO,),(aq) + 3H,(g) > a) How many moles of HC1O, must react to produce 0.400 moles of H,? b) How many grams of HC10, are required to completely react with 50.0 g of Al? c) If 1.40 moles of H, are produced, how many grams of Al(CIO), would also be produced? emole negyxooo d) If 25.0 g of Al are mixed with a solution containing 150 g of HCIO, how many grams of H, could be produced? 49 e) (See part d) How many grams of which reactant is in excess?

2. Assume the following reaction has a 100% yield: 2Al(s) + 6HC10,(aq) 2Al(CIO,),(aq) + 3H,(g) > a) How many moles of HC1O, must react to produce 0.400 moles of H,? b) How many grams of HC10, are required to completely react with 50.0 g of Al? c) If 1.40 moles of H, are produced, how many grams of Al(CIO), would also be produced? emole negyxooo d) If 25.0 g of Al are mixed with a solution containing 150 g of HCIO, how many grams of H, could be produced? 49 e) (See part d) How many grams of which reactant is in excess?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

**Reaction Stoichiometry Practice Problem**

Consider the following reaction with a 100% yield:

\[ 2Al(s) + 6HClO_4(aq) \rightarrow 2Al(ClO_4)_3(aq) + 3H_2(g) \]

Answer the questions below:

a) How many moles of \( HClO_4 \) are needed to produce 0.400 moles of \( H_2 \)?

b) How many grams of \( HClO_4 \) are required to completely react with 50.0 grams of \( Al \)?

c) If 1.40 moles of \( H_2 \) are produced, how many grams of \( Al(ClO_4)_3 \) would also be produced?

d) If 25.0 grams of \( Al \) are mixed with a solution containing 150 grams of \( HClO_4 \), how many grams of \( H_2 \) could be produced?

e) (Refer to part d) Which reactant is in excess, and how many grams of it remain?

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