Answer:
244.76
Explanation:
The weight of grams by 1.82 moles of lithium carbonate would be: 134.481438 So we need to use this equation to find mass by grams m × g = ms Where m is for moles, g for grams, and ms for mass. So now we need use this equation: 1.82 × 134.481438 = ? 1.82 × 134.481438 = 244.75621716 244.75621716, rounded-up (to the nearest-tenths place) is 244.76. So now you have it! The mass of 1.82 moles of lithium carbonate is 244.76!
Answer:
36.693
Explanation:
From the question given, the following were obtained:
Let 35Cl be isotope A and 37Cl be isotope
For isotope A (35Cl),
Mass number = 34.9700
Abundance = 13.85 %
For isotope B (37Cl),
Mass number = 36.9700
Abundance = 86.15 %
Atomic mass =
[( Mass of AxAbundance A)/100] + [(Mass of BxAbundance B)/100]
[(34.97x13.85)/100] + [(36.97x86.15)/100]
= 36.693
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