I need help to question both 18 & 19.
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Chemistry, 22.06.2019 03:10, lilque6112
Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?
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Chemistry, 23.06.2019 05:00, mprjug6
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
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Chemistry, 23.06.2019 05:50, starfox5454
Which of the following isotopes has the same number of neutrons as phosphorus-31?
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