Chemistry, 05.03.2021 17:00 dakotacsey03
When magnesium is added to hydrochloric acid, a gas is formed. Explain what happens in the reaction, how the gas is collected and how it could be tested to prove what it is. The person with correct answer will be marked as brainliest.
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11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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The sum of the oxidation numbers in a neutral compound is always
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