What is the mass of nacl required to make 140 grams of a 12% solution of nacl in water?
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Chemistry, 08.12.2019 15:31 andrespeerman
What is the mass of nacl required to make 140 grams of a 12% solution of nacl in water?
a. 12 grams
b. 14 grams
c. 17 grams
d. 18 grams
Answers: 3
Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleevâs model had all of the information correct in the first version. harmony is correct, because mendeleevâs model made predictions that came true.
Answers: 1
Chemistry, 22.06.2019 20:10
The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 Ă 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + clâ(g) ĂŚ agcl(s)
Answers: 3
Chemistry, 22.06.2019 20:10
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Answers: 2
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