1) Carbon disulphide, CS2, is a liquid having a density of 1.26 g/mL. What volume is occupied by 5.50 x 1022 molecules of CS2? 2) What is the mass of 5.13 moles of NazCr2O7? 3) How many total atoms are there in 34.2 g of CH3CO,H? 4) How many grams of aluminum are there in 4.05 x 105 molecules of Alh0;? 5) Determine the density of gold if 1.25 x 1023 atoms occupy 2.83 x 10 L. 6) Calculate the number of grams in 13.4 L of chlorine gas (Cl) at STP. Q1) what is the molarity when 0.85 mol CaSO, is dissolved in 3 Lof solution? Q2) Sea water contains 30.0 g of NaCl per liter. What is the molarity of NaCl in sea water? Q3)6 g of (KBr) was dissolved in water, and make a 500 ml. solution. (a) Calculate its molarity, (b) What is the concentration in grams per L? 04) (a) how many moles of H.SO, are there in 250 ml. of a 0,7mol/L sulfuric acid solution? (b) What mass of acid is in this solution? Q5) what mass of (NaOH) is needed to make up 250 ml. of a 0.750 mol/L solution? Q6) what is the concentration of (NaCl) in g'L and gml. in a 2.50 M solution? Q7) A solution of (CasO4) contained 0.500 g dissolved in 3.00 L of water. Calculate the concentration in (a) gL, (b) gml and (e) mol/L.
1) Carbon disulphide, CS2, is a liquid having a density of 1.26 g/mL. What volume is occupied by 5.50 x 1022 molecules of CS2? 2) What is the mass of 5.13 moles of NazCr2O7? 3) How many total atoms are there in 34.2 g of CH3CO,H? 4) How many grams of aluminum are there in 4.05 x 105 molecules of Alh0;? 5) Determine the density of gold if 1.25 x 1023 atoms occupy 2.83 x 10 L. 6) Calculate the number of grams in 13.4 L of chlorine gas (Cl) at STP. Q1) what is the molarity when 0.85 mol CaSO, is dissolved in 3 Lof solution? Q2) Sea water contains 30.0 g of NaCl per liter. What is the molarity of NaCl in sea water? Q3)6 g of (KBr) was dissolved in water, and make a 500 ml. solution. (a) Calculate its molarity, (b) What is the concentration in grams per L? 04) (a) how many moles of H.SO, are there in 250 ml. of a 0,7mol/L sulfuric acid solution? (b) What mass of acid is in this solution? Q5) what mass of (NaOH) is needed to make up 250 ml. of a 0.750 mol/L solution? Q6) what is the concentration of (NaCl) in g'L and gml. in a 2.50 M solution? Q7) A solution of (CasO4) contained 0.500 g dissolved in 3.00 L of water. Calculate the concentration in (a) gL, (b) gml and (e) mol/L.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:1) Carbon disulphide, CS2, is a liquid having a density of 1.26 g/mL.
What volume is occupied by 5.50 x 1022 molecules of CS2?
2) What is the mass of 5.13 moles of NazCr2O7?
3) How many total atoms are there in 34.2 g of CH3CO2H?
4) How many grams of aluminum are there in 4.05 x 105 molecules of Al;0;?
5) Determine the density of gold if 1.25 x 1023 atoms occupy 2.83 x 10 L.
6) Calculate the number of grams in 13.4 L of chlorine gas (Cl:) at STP.
Q1) what is the molarity when 0.85 mol CaSO, is dissolved in 3 Lof solution?
Q2) Sea water contains 30.0 g of NaCl per liter. What is the molarity of NaCl in sea water?
Q3) 6 g of (KBr) was dissolved in water, and make a 500 mL solution.
(a) Cakulate its molarity, (b) What is the concentration in grams per L?
04) (a) how many moles of H.SO, are there in 250 ml. of a 0.7mol/L sulfuric acid solution? (b)
What mass of acid is in this solution?
Q5) what mass of (NaOH) is needed to make up 250 ml. of a 0.750 mol/L solution?
Q6) what is the concentration of (NaCI) in gL and g'ml. in a 2.50 M solution?
Q7) A solution of (CaSO4) contained 0.500 g dissolved in 3.00 L of water. Calculate the
concentration in (a) gL, (b) giml and (c) mol/L
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