Answered

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What is the mass of a sample containing 8.53×10 to the 24th power formula units of magnesium phosphate?

Sagot :

Neetoo

Answer:

Mass = 3732.62 g

Explanation:

Given data:

Number of formula units = 8.53×10²⁴

Mass of sample = ?

Solution:

1 mole of any substance contain 6.022×10²³ formula units.

8.53×10²⁴ formula units ×1 mol / 6.022×10²³ formula units

1.42×10¹ mol

14.2 mol

Mass of magnesium phosphate:

Mass = number of moles × molar mass

Mass = 14.2 mol × 262.86 g/mol

Mass = 3732.62 g

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