Can u help me answer this 2 questions with complete solution please thank you1. The density of acetonitrile C2H3N is 0.786 g/ml and the density of methanol CH3OH is 0.791 g/mL. A solution is made by dissolving 22.5 ml of CH3OH in 98.7 ml of CH3CN. What is the molarity of the solution?2. Brass is a substitutional alloy consisting of a solution of copper and zinc. A particular sample of red brass consisting of 80.0% Cu and 20.0% Zn by mass has a density of 8750 kg/m^3 . What is the molality of Zn in the solid solution?

(1) Given that - Density of acetonitrile, C2H3N = 0.786 g/mL Density of methanol, CH3OH = 0.791…

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Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases

Section: Chapter Questions

Problem SIII7RE

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Can u help me answer this 2 questions with complete solution please thank you

1. The density of acetonitrile C₂H₃N is 0.786 g/ml and the density of methanol CH₃OH is 0.791 g/mL. A solution is made by dissolving 22.5 ml of CH₃OH in 98.7 ml of CH₃CN. What is the molarity of the solution?

2. Brass is a substitutional alloy consisting of a solution of copper and zinc. A particular sample of red brass consisting of 80.0% Cu and 20.0% Zn by mass has a density of 8750 kg/m^3 . What is the molality of Zn in the solid solution?

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