The reaction of tungsten hexachloride (WCl 6 ) with bismuth gives hexatungsten dodecachloride (W 6 Cl 12 ). WCl 6 + Bi → W 6 Cl 12 + BiCl 3 Unbalanced (b) How many grams of bismuth react with 150.0 g of WCl 6 ?

Step 1: Write the balanced chemical equation for the reaction. Start by balancing the number of tungsten (W) atoms, chlorine (Cl) atoms, and bismuth (Bi) atoms on both sides of the equation.. Step 2: Calculate the molar mass of WCl_6 using the atomic masses of tungsten (W) and chlorine (Cl).. Step 3: Convert the given mass of WCl_6 (150.0 g) to moles using its molar mass.. Step 4: Use the stoichiometry of the balanced equation to determine the moles of bismuth (Bi) required to react with the calculated moles of WCl_6.. Step 5: Calculate the mass of bismuth needed by multiplying the moles of bismuth by its molar mass.

The reaction of tungsten hexachloride (WCl 6 ) with bismuth gives hexatungsten dodecachloride (W 6 Cl 12 ). WCl 6 + Bi → W 6 Cl 12 + BiCl 3 Unbalanced (b) How many grams of bismuth react with 150.0 g of WCl 6 ?

Hey everyone. So here we're given an unbalanced reaction. They were asked to determine the mass of Cobalt three sulfate as required to completely react With 78.6 g. Austronesian sulfide. You have S. R. S. The C. O two sl four three. And it's going to be able to ask Art S. 04, C. 02 S. Three. They have strong. You go for how about an oxygen on both sides. Here we have one strontium or sulfur to cobalt. In 12, oxygen here we have one strontium or sulfur to cobalt. And for oxygen Since we have 12 optional and reacting side and four on the product side Most part three over here get 12 three in front Australian sulfate. So now we have three strontium over here And six sulfur over here. If you put a three in front of strontium sulfide, we're gonna have three strong um over here. six sulfur over here and now this is balanced. Now we need to convert from grams Australian so fine. two g. Of course about three. No faith. I have 78.6 g Australian so fine. And in one mall Australian self I have the Mueller mass. And this is 87. Plus 32.066. Which is 1 19 0.7. And we have three moles Australian sulfide in the reaction in one month of Kobach three. So fate in the reaction someone. One more Of course about three sulfate. We have the Mueller mass. And this is to I'm 58 . plus three times 32 .06. past 12. I'm 15 . And this gave us 406 0.1 g. Would you give us 88 0.9 g? Thanks for watching my video. And I hope it was helpful.

Ch.3 - Mass Relationships in Chemical Reactions

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McMurry 8th Edition

Ch.3 - Mass Relationships in Chemical Reactions

Problem 84b

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Chapter 3, Problem 84b

The reaction of tungsten hexachloride (WCl₆) with bismuth gives hexatungsten dodecachloride (W₆Cl₁₂).
WCl₆ + Bi → W₆Cl₁₂ + BiCl₃ Unbalanced
(b) How many grams of bismuth react with 150.0 g of WCl₆?

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Step 1: Write the balanced chemical equation for the reaction. Start by balancing the number of tungsten (W) atoms, chlorine (Cl) atoms, and bismuth (Bi) atoms on both sides of the equation.

Step 2: Calculate the molar mass of WCl_6 using the atomic masses of tungsten (W) and chlorine (Cl).

Step 3: Convert the given mass of WCl_6 (150.0 g) to moles using its molar mass.

Step 4: Use the stoichiometry of the balanced equation to determine the moles of bismuth (Bi) required to react with the calculated moles of WCl_6.

Step 5: Calculate the mass of bismuth needed by multiplying the moles of bismuth by its molar mass.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Stoichiometry

Stoichiometry is the branch of chemistry that deals with the quantitative relationships between the reactants and products in a chemical reaction. It allows chemists to calculate how much of each substance is needed or produced in a reaction based on balanced chemical equations. Understanding stoichiometry is essential for solving problems involving mass, moles, and the ratios of reactants and products.

Molar Mass

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all the atoms in a molecule. Knowing the molar mass of reactants and products is crucial for converting between grams and moles, which is necessary for stoichiometric calculations in chemical reactions.

Balancing Chemical Equations

Balancing chemical equations involves ensuring that the number of atoms for each element is the same on both sides of the equation. This is important because it reflects the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. A balanced equation provides the correct stoichiometric ratios needed to calculate the amounts of reactants and products involved.

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The reaction of tungsten hexachloride (WCl₆) with bismuth gives hexatungsten dodecachloride (W₆Cl₁₂).

WCl₆ + Bi → W₆Cl₁₂ + BiCl₃ Unbalanced

(a) Balance the equation.

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Textbook Question

The reaction of tungsten hexachloride (WCl₆) with bismuth gives hexatungsten dodecachloride (W₆Cl₁₂).

WCl₆ + Bi → W₆Cl₁₂ + BiCl₃ Unbalanced

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Sodium borohydride, NaBH₄, a substance used in the synthesis of many pharmaceutical agents, can be prepared by reaction of NaH with B₂H₆ according to the equation 2 NaH + B2H₆ → 2 NaBH₄

(a) How many grams of NaBH₄ can be prepared by reaction between 8.55 g of NaH and 6.75 g of B₂H₆?

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Sodium borohydride, NaBH₄, a substance used in the synthesis of many pharmaceutical agents, can be prepared by reaction of NaH with B₂H₆ according to the equation 2 NaH + B2H₆ → 2 NaBH₄

(b) Which reactant is limiting, and how many grams of the excess reactant will be left over?

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The reaction of tungsten hexachloride (WCl6) with bismuth gives hexatungsten dodecachloride (W6Cl12).WCl6 + Bi → W6Cl12 + BiCl3 Unbalanced(b) How many grams of bismuth react with 150.0 g of WCl6?

Verified Solution

Key Concepts

Stoichiometry

Molar Mass

Balancing Chemical Equations

The reaction of tungsten hexachloride (WCl₆) with bismuth gives hexatungsten dodecachloride (W₆Cl₁₂).
WCl₆ + Bi → W₆Cl₁₂ + BiCl₃ Unbalanced
(b) How many grams of bismuth react with 150.0 g of WCl₆?