Problems with stoichiometry?

Let’s learn problems with stoichiometry. The most accurate or helpful solution is served by Yahoo! Answers.

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Help with stoichiometry problems?

I need help on how to set up these two problems A student used 1.34g of silver to produce silver nitrate. The actual yield is 2.01 . Calculate the percentage yield. To prepare the paint pigment chrome yellow PbCrO4 a student started with 5.52 g of Pb(NO3)2. Actual yield I'd 5.096 , calculate the theoretical yield and percentage yield

Answer:

A student used 1.34g of silver to produce silver nitrate. The actual yield is 2.01 . Calculate the percentage...

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Other solutions

I need help creating stoichiometry problems for sodium stearate (C17 H35 COONa)?

i have to have a problem for all four types of stoichiometry problems. i'm not good at making up the problems that involve that. the equation we are using is: CH2OCOCH(OCO)CH2OCO + 2NaOH --> CH2OHCH(OH)CH2OH + 3COONa

Answer:

First of all the equation is not balanced properly. You have 2Na on the left and 3Na on the right.

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Stoichiometry Problems?

i am having problems with stoichiometry problems XDXD i need some help on how to figure them out cause i have no idea how to *screams* please please please help me due-26/01/09 ...show more

Answer:

I don't rally understand what you want; but some time ago, I prepared a general answer on the concept...

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Chemistry (stoichiometry problems)?

I was wondering if someone could look at my answers for a few stoichiometry problems and tell me if i did them correctly or not. 1)How many moles of Mg are required to react w/ 2.0 moles of HCl acid (Mg + 2HCl -->MgCl_2 + H_2) my answer : 1 mole Mg...

Answer:

1. this is correct. The coefficients in the balanced equation can represent moles of reagents. In your...

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PLEASE HELP WITH STOICHIOMETRY MASS PROBLEMS?

Okay I am in the 8th grade and I am having trouble on my science (stoichiometry) please please help me I am so lost! 1. 2AgNO3 + BaCl2 ---> 2AgCl + Ba(NO3)2 How many grams of silver chloride are produced from 5.0 grams of silver nitrate reacting...

Answer:

First you need to find the moler mass of each of the elements and make sure if there is 2Ag multiply...

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Where can i find tricky AP-level stoichiometry problems (moles, limiting reagents, etc)?

i'd like to prepare for a chem stoichiometry test but my textbook is really basic. Do you know where i can find tricky questions online? thanks a lot!

Answer:

Any college level textbook - Brown & LeMay's The Central Science has some. Harvard's Logan notes...

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What is the best way to understand and solve problems from stoichiometry?

what is the best way to undertand stoichiometry?on what branch of chemistry should we be good at to start stoichiometric solving ?

Answer:

just learn the formulae......they're pretty easy and the questions in stoichometry are also quite simple...

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Precipitation Stoichiometry Problems?

Hey there! I have 2 problems that I can't seem to get. Any help would be greatly appreciated! 1. Co2(SO4)3(aq) + 3Ca(OH)2(aq) 2Co(OH)3(s) + 3CaSO4(aq) What volume in mL of 0.2500 M Co2(SO4)3 is required to react completely with (a) 25.00 mL of 0.031...

Answer:

1) a) 25ml (0.0315M) = 0.7875 mmol x (1/3) x (1/0.25M) = 1.05 ml b) 5g x (1mol/74.09g) x (1/3) x (1...

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Can anyone help with Stoichiometry problems?

I need some help. I don't understand how to work these problems. Copper reacts with silver nitrate through single replacement. a. If 2.25 g of silver are produced from the reaction, how many moles of copper(II) nitrate are also produced? b. How many...

Answer:

For the 1st reaction, you need to find the number of moles of each reactant. You do 2.25g x (1 mol/...

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How do you solve Stoichiometry problems?

I am really confused on how to solve these type of problems. If someone could help me with step by step instructions and a clear answer so that I can try and do it myself. For example could you show me how to calculate the number of grams of oxygen that...

Answer:

1) write bal. rxn.: 2 KClO3 -------> 2 KCl + 3 O2 2 moles of KClO3 decomposes forming 2 moles of...

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