Chemistry, 12.10.2019 21:20 slavenkaitlynn
When a reaction between magnesium and hydrochloric acid take place the mass of the reactants is more than the mass of the products. why would this occur?
Answers: 1
Chemistry, 22.06.2019 05:50
Calculate the number of molecules present in 0.750 mol of mgo.
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Chemistry, 22.06.2019 21:40
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
Answers: 2
Chemistry, 23.06.2019 00:00
How is the way a mixture is combined different from how a compound is combined?
Answers: 3
When a reaction between magnesium and hydrochloric acid take place the mass of the reactants is more...
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