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Calculating moles
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Questions (67)
My original sample of mixed salt had a mass of 8.9 grams. After heating the mixture in the crucible and weighing it multiple
2 answers
asked by
bekah
521 views
If I have 8 moles of Iron atoms in the products, how many moles of iron atoms did I start with?
8 16 1 Not enough information
1 answer
asked anonymously
17 views
HOW MANY MOLES OF CALCIUM IS 139g OF Ca?
2 answers
asked by
J
454 views
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
3 answers
asked by
diana
489 views
A patient’s blood is tested for growth hormone which has a molecular mass of 848.952 g/mol. The test results show a normal
2 answers
asked by
Jane
486 views
A 0.3120 g sample of a compound made up of aluminum and chlorine is dissolved in 150 mL H2O. When excess AgNO3 is added, 1.006 g
4 answers
asked by
Anonymous
473 views
Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single
1 answer
asked by
Eric
481 views
If you have Mg+2HCL=MgCl2+H2 and a temp of 295K, and barometric pressure of .976atm and 43.5 mL of gas was collected from the
1 answer
asked by
Kiana (Check My Answer Only)
438 views
The anesthetic chloroform (CHCI3, molar mass=119.36 g/mol) can be prepared by the reaction of methane CH4 molar mass= 16.04
1 answer
asked anonymously
35 views
How many moles are contained in each of the following? Be sure each of your answer entries has the correct number of significant
1 answer
asked anonymously
29 views
65.0 mol Ne =
Ne atoms
1 answer
asked anonymously
20 views
How many moles are contained in each of the following? Be sure each of your answer entries has the correct number of significant
1 answer
asked anonymously
43 views
How many moles of the product NO2 form? Be sure your answer has the correct number of significant figures.
mol NO2
1 answer
asked anonymously
31 views
A chemist will use a sample of 30 g of ethanol (CH3CH2OH) in an experiment. In one to two sentences, make and justify a claim
1 answer
asked by
iknj
25 views
How many moles in 270g of water
1 answer
asked by
Taaju
9 views
How many moles of NaCl are there in 5.4 g of NaCl?
1 answer
asked by
Mariam Gonzalez
24 views
A chemist uses a sample of 30 g of ethanol
(CH CH,OH) in an experiment. How many moles of ethanol are used?
1 answer
asked anonymously
13 views
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Parent Categories (11)
Atomic Structure
Atomic Structure and Stoichiometry
Chemical Composition and Stoichiometry
Chemical Reactions
Equilibrium
Molar Mass Calculation
Molecular Mass
Moles and Molar Mass
Reaction stoichiometry
Stoichiometry
Titration