PLEASE HELP.

how many grams of K2SO4 are in 1.18x10^24 atoms?

Mass = 331.17 g

Explanation:

Given data:

Mass in gram = ?

Number of atoms of K₂SO₄ = 1.18 × 10²⁴ atoms

Solution:

Avogadro number:

The given problem will solve by using 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.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

1.18 × 10²⁴ atoms × 1 mol / 6.022 × 10²³ atoms

0.19× 10¹ mol

1.9 mol

Mass of K₂SO₄:

Mass = number of moles × molar mass

Mass = 1.9 mol × 174.3 g/mol

Mass = 331.17 g

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water pollution kills aquatic life. aquatic life includes algae and other plant life that use photosynthesis. photosynthesis takes   c02 out of the air.  

c02is a greenhouse gas.

i'm not sure

explanation:

i'll try whatever you got