Question 1 For a solution of a solution containing 0.3 mol kg NaCl mixed with 0.2 mol kg + MgSO,?
i. Calculate the total ionic strength of the solution.
ii. Calculate the mean activity coefficient of MgSO4. (A = -0.509 mol kg +)
​

What is the molar mass of a gas that has density of 2.054 g/l

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

When the mercury level in a barometer decreases that atmospheric pressure has