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vaselevskayaga
@vaselevskayaga
August 2021
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Вычислите массовые отношения элементов а) в оксиде серы so2
б) в азотной кислоте HNO3
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Answers & Comments
lera010600
1) Mr (SO2) = 32 + 2x16 = 64
W (S) = 32:64x100% = 50%
W (O2) = 32:64x100% = 50%
2) Mr (HNO3) = 1 + 14 + 3x16 = 63
W (H) = 1:63x100% = 1.5
W (N) = 14:63x100% = 22.2
W (O) = 48:63x100% = 76.2
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Answers & Comments
W (S) = 32:64x100% = 50%
W (O2) = 32:64x100% = 50%
2) Mr (HNO3) = 1 + 14 + 3x16 = 63
W (H) = 1:63x100% = 1.5
W (N) = 14:63x100% = 22.2
W (O) = 48:63x100% = 76.2