Are these mixtures or pure substance?
1.water
2.blood
3.the oceans
4.iro...
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If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared
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Which formula can be used to calculate the molar mass of hydrogen peroxide
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Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
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