How to find the empirical formula?
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There are ten answers to this question.
Best solution
Answer:
Pb + xS → PbSx 2.46.......→ 3.22 g of product so mass of S = 3.22 -2.46 = 0.76 g %S = 0.7...
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Other solutions
Hi, I need to find the empirical formula for phosphorus selenide. I wrote P2Se3, but apparently it is wrong. Isn't P3+ and Se2-?? What would the empirical formula be?? Thank you!
Answer:
P4Se3 and P2Se5 are both common. P = +3 or +5 Se = -2, -4, or -6 P4Se3 (P = +3 and Se = -4) P2Se5 (P...
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I got the empirical formula, now what do I do to get the molecular formula?
Answer:
Step 1: Determine the molecular mass in grams. Step 2: Divide the molecular mass of the compound (µ...
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empirical formula of nicotine = C5 H7 N relative molecular mass of nicotine= 164 find its molecular mass
Answer:
C=12.. H =1... N=14... (5 x 12) + (7 x 1) + 14 = 81... 164 / 81 = 2.02... Molecular formula is: C10...
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Here are the elements and mass percentages: Carbon: 62% Hydrogen: 10% Oxygen: 28% Maybe someone can tell me where I'm going wrong. I'm treating the percentages as actual values of a 100g sample and then converting those gram values to mole values. I...
Answer:
Everything that you have done in your solution technique is correct. C ---> 5.1619 / 1.7501 = 2....
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I'm so confused on this question. If you could please just guide me in setting up the question, i will greatly appreciate it! Here's the question: A sample of chlorine oxide gas reacts with excess hydrogen to produce 0.3059 g of HCL and 0.5287 g of water...
Answer:
moles HCl = 0.3059 / 36.461 g/mol =0.008390 = moles Cl in the oxide Moles H2O = 0.5287 g / 18.02 g/mol...
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That has 10g Cu and 2.52g O2? How do I find the molar ratio so I can find out which one is the limiting reactant?
Answer:
Moles Cu atoms = 10/ 63.5 =0.1575 Moles O atoms = 2.52/16 = 0.1575 Dividing by least no. Cu = 0.157...
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Answer:
1. Start with the assumption that you have 100g of the compound. That means you have 35.3g C, 8.82g...
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How do you find a sequence formula An (a sub n) from a given series formula Sn (s sub n? We know that the limit as n approaching infinity of Sn is equal to the summation to infinity of the sequence An. The formula I have been given is An = Sn - Sn-1...
Answer:
This is correct; you just need to remember to initialize S(1) (or whatever the first index is) as A...
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I am doing chemistry homework. The question I am doing is divided into 2 questions. We have to find the empirical formula and the molecular formula. I have found the empirical formula, but the teacher ran out of time to explain how to find molecular...
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