11 June, 16:03
How many moles in 150 grams of rubidium sulfate
11 June, 17:42
1>Ok so first we have to know that Rubidium Sulfate is Rb2SO4 (just google it)
2>? mol Rb2SO4 = 150g Rb2SO4
3> (add up the atomic mass) Rb = 85.47 x2 = 107.94
S = 32.06 x1 = 32.06
O = 16.00 x4 = 64.00
4> divide: 150g Rb2SO4 / 204Rb2SO4 =.735 mol Rb2SO4
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