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Science

Answered

For number 11, consider 2.15 mole of magnesium sulfate (MgSO4)
11. How many formula units does the given amount have?
a. 1.29x10²⁴
b. 12.9x10²³
c. 3.57x10-²³
d. 35.7x10-²³

Sagot :

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Solution:

[tex]\text{number of MgSO₄ formula units = 2.15 mol MgSO₄} × \frac{\text{6.022 × 10²³ MgSO₄ formula units}}{\text{1 mol MgSO₄}}[/tex]

[tex]\boxed{\text{number of MgSO₄ formula units = 1.29 × 10²⁴ formula units}}[/tex]

Answer:

The answer is a. 1.29 × 10²⁴

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