Chemistry, 25.09.2020 14:01 ellycleland16
It was observed that heat is evolved when 25g of sodium hydroxide is dissolved in 100 mL of pure
water. Do you think there will be any change in mass of the solution? Find the mass percentage of
the solution?
Answers: 3
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The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
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Chemistry, 22.06.2019 10:10
When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
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Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
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It was observed that heat is evolved when 25g of sodium hydroxide is dissolved in 100 mL of pure
wa...
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