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 +)
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Which of the following is most likely true about water in chemical solutions?

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.