How many atoms and ions does lithium sulfite have?
Answers
Answer:
Hence the ions per mole are:
In one mole of Li2SO3 , the number of the atoms are
Explanation:
The formula of lithium sulfite is Li2SO3.
It contain Li+ and SO3(2-) ions.This can be represented by :
Hence one mole of Li2SO3 will give 2 Li+ ions and 1 SO3 (2-) ion.
Hence the ions per mole are:
Number of atoms in lithium sulfite depends upon the mass of the Li2SO3 present .
Li2SO3 = 93.94 g/mole
This mass is equal to 1 mole of Li2SO3
Now 1 mole of any substance contain Na atoms . This is known as Avogadro Number.
Hence , if 1 mole of Li2SO3 is present then it contains Na atoms
If other then 1 mole present then number of atoms are calculated by:
Here n = number of moles
if the mass of the compound is given then first calculate the number of moles.
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Who used experiments and scientific tools to study matter?
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the tip of a match contains chemical energy. Kevin's father lit a match and blew out the flame. then he tried to light the same match again . Kevin observed that nothing happened. what can you infer from this observation?
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We can easily see constituent particles in a suspension.
Answer:
you can easily see constituent particles in a suspension
Explanation:
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Answer:
S8 + 12O2 ---> 8SO3
Explanation:
S8 + 12O2 ---> 8SO3
Answers
ANSWER
empirical formula is the simplest ratio of whole numbers of components making up a compound
molecular formula is the actual composition of components making up a compound
to analyse each statement
A.They are always different for the same compound. -
the empirical formula in some instances can be the same as the molecular formula. therefore this statement is incorrect.
B. Subscripts of empirical formulas can be reduced
empirical formula gives the simplest ratios and the subscripts cannnot be further simplified therefore this is incorrect
C. Molecular formulas can be determined from empirical formulas
using the empirical formula, the molecular formula can be determined. therefore its correct.
D. They both show the actual ratio of elements for a compound
only the molecular formula gives the actual ratio of elements whereas the empirical formula gives the simplest ratio of elements. this statement is incorrect
The correct statement is C.
Answer:
Molecular formulas can be determined from empirical formulas.
Explanation:
Answers
The correct answer is option D, that is, protons and neutrons.
The center of an atom is known as the nucleus, it comprises nucleons, that is, neutrons and protons, and is enveloped by the cloud of electrons. The nucleus exhibits the majority of the mass of the atom in spite of being a very small constituent of the atom. Approximately all the atom's mass is formed of the neutrons and protons in the nucleus with a very small donation from the orbiting electrons.
B) cobalt(I) chlorate
C) cobalt(II) chlorate
D) cobalt(III) chloride
Answers
Answer:
D) Cobalt (III) chloride.
Explanation:
It is an unstable compound in which the cobalt atoms have a formal charge of +3.
It could be stable but at very low temperatures, while at high temperatures it is found as a gas.
I hope this answer helps you.
Cobalt(III) chloride, often known as cobaltic chloride, is an elusive and unstable cobalt and chlorine chemical with the formula CoCl₃. The cobalt atoms in this combination have a formal charge of +3. Here the correct option is D.
Due to its special characteristics, cobalt chloride (CoCl₃) is a chemical substance that is frequently utilized in scientific study. It is a crystalline solid that is pinkish-red and soluble in ethanol and water. Cobalt ions, which are necessary for the growth and development of both plants and animals, can be found in cobalt chloride.
Cobalt(III) chloride, often known as cobaltic chloride, is an elusive and brittle cobalt and chlorine chemical with the formula CoCl₃. The cobalt atoms in this combination have a formal charge of +3.
Thus the correct option is D.
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