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10 questions from this quiz
The SI unit for amount of substance
6.022×10236.022 \times 10^{23}6.022×1023
g\cdotpmol−1\text{g·mol}^{-1}g\cdotpmol−1
n=mMn = \frac{m}{M}n=Mm
0.210.210.21 mol
327 g
3.011×10243.011 \times 10^{24}3.011×1024 atoms
Add masses of 2 H, 1 S, and 4 O atoms
12.0 g\cdotpmol−1\text{g·mol}^{-1}g\cdotpmol−1
When we measure its atomic mass in grams
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