Which of the following concerning the topic of concentration is/are incorrect? A

Question

Which of the following concerning the topic of concentration is/are incorrect? A concentrated solution of hydrochloric add has a molarity of 12 M This means that 12 moles of HCI are dissolved in 1.0 L of v/alter the molality of a solution is unaffected by changes in temperature, even though the total volume of the solution may change significantly When calculating a mass percent the mass of solution" is equal to the sum of the masses of all solution components Select one 1 only 2 only 3 only 2 and 3 1 2 and 3

Explanation / Answer

option 3 only correct.

molality changes with temperature so option 2 is not correct.

12 moles HCl dissolve in 1.0 L solution but given 1.0 l water so option 1 is wrong.

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