How many moles of each element are in one mole of (NH4)2S? 1 mole of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

O 1 mole of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

2 moles of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

The answer is D, 2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur.

Explanation: We can figure out the moles in this chemical equation by observing the subscripts. Nitrogen does not have a subscript, but outside the ion it is included in has one, so the amount of nitrogen moles is 2 (1 x 2 = 2). There are 4 moles of hydrogen, and also a subscript of 2 outside the ion hydrogen is included in, we must multiply 4 by 2 to get 8 moles of hydrogen. Sulfur has no subscript, so it only has one mole.

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the answer for sodium is 0.186

the answer for rubidium is 0.251