Chemistry, 04.09.2021 18:10, lealiastentz532542
A 20.0 % by mass solution of a compound (molar mass 42.5g/mol) in
water at 25°C has a density of 1.16 g/ml. calculate the vapor pressure
of this solution knowing that the vapor pressure of water at this
temperature is 23.7 mmHg and its molar mass is 18.0 g/mol.
a) 21.4 mmHg
b) 242 mmHg
c) 18.5 mmHg
d) 22.6 mmHg
e) 20.1 mmHg
Answers: 2
Chemistry, 22.06.2019 12:20, jessicasbss6840
Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.
Answers: 1
Chemistry, 22.06.2019 12:30, kaliyab191
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
A 20.0 % by mass solution of a compound (molar mass 42.5g/mol) in
water at 25°C has a density of 1...
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