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.

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.