(a) Calculate the molarity of a 105 g Na2SO4 in 570 ml solution. [Atomic mass: Na=23 g/mol, S= 32 g/mol, O=16 g/mol, C=12 g/mol, H= 1 g/mol] (a1)no of moles of Na2SO4 (a2) molarity of solution (b) 29 g C6H1206 is dissolved in 210 g of water. Find out the molality of the solution. (b1) no of moles of C6H1206 (b2) molality of solution (c) How much volume of 1.9 M NaOH solution can be made by diluting 74 ml of 4 M NAOH.

Introductory Chemistry: A Foundation
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Chapter15: Solutions
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Answer the following questions by using mole
concept.
(a) Calculate the molarity of a 105 g Na2SO4 in 570
ml solution.
[Atomic mass: Na=23 g/mol, S= 32 g/mol, O=16
g/mol, C=12 g/mol, H= 1 g/mol]
(a1) no of moles of Na2SO4
(a2) molarity of solution
(b) 29 g C6H1206 is dissolved in 210 g of water.
Find out the molality of the solution.
(b1) no of moles of C6H1206
(b2) molality of solution
(c) How much volume of 1.9M NAOH solution can
be made by diluting 74 ml of 4 M NAOH.
(d) Aspirin (C9H8O4) is a medication used to
reduce pain, fever, or inflammation. Find out the
mass of 3.5x1023 molecules of aspirin in gram.
(d1) no of moles of Aspirin
(d2) mass of aspirin
Transcribed Image Text:Answer the following questions by using mole concept. (a) Calculate the molarity of a 105 g Na2SO4 in 570 ml solution. [Atomic mass: Na=23 g/mol, S= 32 g/mol, O=16 g/mol, C=12 g/mol, H= 1 g/mol] (a1) no of moles of Na2SO4 (a2) molarity of solution (b) 29 g C6H1206 is dissolved in 210 g of water. Find out the molality of the solution. (b1) no of moles of C6H1206 (b2) molality of solution (c) How much volume of 1.9M NAOH solution can be made by diluting 74 ml of 4 M NAOH. (d) Aspirin (C9H8O4) is a medication used to reduce pain, fever, or inflammation. Find out the mass of 3.5x1023 molecules of aspirin in gram. (d1) no of moles of Aspirin (d2) mass of aspirin
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