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Serga [27]
3 years ago
15

How many formulas units are in 3.11 mole of Ca(NO3)2 can you show your work by step by step correct answer

Chemistry
2 answers:
Lyrx [107]3 years ago
4 0

Answer:

18.73× 10²³ formula units

Explanation:

Given data:

Number of moles of Ca(NO₃)₂ = 3.11 mol

Number of formula units = ?

Solution:

Avogadro number:  

"It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance"  

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

Number of formula units of Ca(NO₃)₂:

1 mole contain 6.022 × 10²³ formula units

3.11 mol ×  6.022 × 10²³ formula units / 1 mol

18.73× 10²³ formula units

Fittoniya [83]3 years ago
4 0

Thank you lord lord please thank you lord lord for that you lor

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