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426 Answered Questions for the topic stoichiometry

03/23/21

Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Consider the reaction between calcium oxide and carbon dioxide: CaO (s) + CO2 (g) → CaCO3 (s) A chemist allows 15.27 g of CaO and 18.06 g of CO2 to react.... more

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Stoichiometry Chemistry

03/20/21

How many moles of H2SO4 are needed to react with an equivalent of NaOH to produce 165 moles of sodium sulfate?

2 NaOH + H2SO4 → Na2SO4 + 2 H2OI know the answer is 82.5 but I don't understand how to get there.

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Stoichiometry Chemistry

03/20/21

If you needed to produce 33.0 g of NH3, how many grams of H2 would you need? (Stoichiometry)

Consider the following balanced chemical reaction: N2 + 3 H2 → 2 NH3If you needed to produce 33.0 g of NH3, how many grams of H2 would you need?

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Stoichiometry Chemistry

03/18/21

Cant Figure this One out?

Using the following chemical equation: P (s) + Cl2 (g) → PCl3 (l),if 35.0 grams of chlorine react with excess phosphorus metal and 42.5 grams of phosphorous trichloride are produced in... more

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Stoichiometry Chemistry

03/18/21

How do I answer this question? Cant seem to figure out the answer.

For the reaction3 H2 (g) + N2 (g) → 2 NH3 (g),how many grams of ammonia will be produced from 2.40 moles of hydrogen gas?

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Stoichiometry Chemistry

03/16/21

3KOH + H3PO4= K3PO4 + 3H20 How many grams of H2O can be produced from 33.2 g KOH?

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Stoichiometry Chemistry

03/06/21

In the reaction N2(g) + 3 H2 (g) → 2 NH3 (g), how much ammonia would be produced from 1.0 mol of hydrogen and excess nitrogen? 1. 0.67 mol 2. 3.0 mol 3. 2.0 mol 4. 0.33 mol 5. 1.3 mol

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Stoichiometry Chemistry Solutions Stoichiometry

03/05/21

Sorry for asking for more help :(

How many liters of 3.87 M sulfuric acid are required to fully neutralize 698.5 mL of 8.16 M lithium hydroxide?Sorry I keep asking for help, but no matter how I do the problems or work them out I... more

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Stoichiometry Chemistry Solutions Stoichiometry

03/04/21

I think I'm over thinking this

I feel like i'm over thinking this but every time i do it i get it wrong.Here's the problemIn a titration, 402.8 mL of a 7.16 M solution of hydrochloric acid is neutralized by with 0.359 L of... more

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Stoichiometry Chemistry

03/04/21

Grams to Grams and Gas Stoichiometry Assignment

2 Al + 3 Cl2 --- > 2 AlCl3If 11.0 grams of aluminum reacts, how many liters of chlorine will be used?

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Stoichiometry Chemistry Solutions Stoichiometry

03/03/21

Still very confused

A volume of 15.6 mL of a 0.45 M solution of hydrogen phosphate (or phosphoric acid) reacts completely with 54.7 milliliters of sodium hydroxide. What is the molarity of the sodium hydroxide solution?

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Stoichiometry Chemistry

03/03/21

more stoichiometry

If 200.8 g of carbon dioxide gas is made from the complete combustion of isopropanol (C3H7OH), how many moles of oxygen are used up?

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Stoichiometry Chemistry

03/03/21

I do not understand stoichiometry

In the balanced chemical equation below, how many moles of copper(II) carbonate are made from the reaction of 42 grams of copper(II) sulfate and excess silver carbonate? CuSO4 + Ag2CO3 -->... more

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Stoichiometry

03/02/21

Given the reaction: C3H8 + 5 O2 → 3 CO2 + 4 H2O

What is the total number of moles of O2 required to produce 1.5 moles of CO2? A) 5.0 B) 2.5 C) 3.0 D) 1.5

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Stoichiometry Science Chemistry Chem

03/01/21

In a lab, nitrogen trichloride is synthesized from its elements. This reaction has a 60.0% yield...

In a lab, nitrogen trichloride is synthesized from its elements. This reaction has a 60.0% yield. A chemist wants to prepare 50.0g of nitrogen trichloride, with a 60.0% yield, what mass of nitrogen... more

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Stoichiometry Chemistry

03/01/21

Stoichiometry helpppp

How many moles of calcium are in 3.24x1023 atoms of calcium? Round to 2 decimal places for your answer. __ mol Ca?What mass of lead is 0.294 mol of lead? Round to 2 decimal places for your... more

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