Chemistry, 13.04.2021 22:30 gthif13211
Question 4 (16 points)
A reaction was performed by adding 2.15-g of calcium fluoride, CaF2, into 50.0-mL of a 0.75-M sodium
hydoxide solution. As a result, 1.50-g of calcium hydroxide, Ca(OH)2, was produced.
1 CaF2 (s) + 2NaOH(aq) - 2 Naf (aq) + 1 Ca(OH)2 (s)
a. Calculate the number of moles of CaF2
Molar Mass of CaF2 = 78.074 grams/mole
Answers: 1
Chemistry, 22.06.2019 19:00
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Chemistry, 23.06.2019 00:30
•hydration •dissociation •dissolving which one goes to which
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Question 4 (16 points)
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