2 years ago

What are the two types of stoichiometry?

Chemistry

2 answers:

julsineya [31]2 years ago

8 0

Two types of stoichiometry are; molar mass and coefficients from balanced equation.

pav-90 [236]2 years ago

6 0

Grams and moles of a single chemical.
coefficients from balanced equation - to convert between moles of one chemical and moles of a different chemical.

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2) what is the mass of 6.02 x 1023 atoms of arsenic?

zzz [600]

Data:
Arsenic Molar Mass = 74,9216 ≈ 75 u (<span>atomic mass unit)</span>

Solving:

1 mole of arsenic → 75g ------------ 6,02*10²³ molecules
..................................X -------------- 1 molecule

6,02*10²³X = 75
$x = \frac{75}{6,02*10^{23}}$
$\boxed{x \approx 1,24*10^{24}grams}$

6 0

3 years ago

Explain the following phenomena. why Fluorine has lower electron affinity than chlorine

Radda [10]

Electron affinity for fluorine is than chlorine most likely , due to the electron repulsion that occur between the electron where n= 2 . the elements in the second period have such small electron clouds that electron repulsion is greater than that of the rest of the family.

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3 years ago

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andreev551 [17]

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2 years ago

Water freezes at 32 degrees

olga55 [171]

Answer:

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