a 2_53099962126890...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 NazCr207?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 1025 molecules of Al»0;?5) Determine the density of gold if 1.25 x 1023 atoms occupy 2.83 x 103 L.6) Calculate the number of grams in 13.4 L of chlorine gas (Ch) at STP.QI) what is the molarity when 0.85 mol CaSO4 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.Calculate its molarity. (b) What is the concentration in grams per L?Q4) (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/1. solution?Q6) what is the concentration of (NaCI) in g/I. 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 theconcentration in (a) g/L, (b) g/mL and (c) mol/L.

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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?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

a 2_53099962126890...
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 NazCr207?
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 1025 molecules of Al»0;?
5) Determine the density of gold if 1.25 x 1023 atoms occupy 2.83 x 103 L.
6) Calculate the number of grams in 13.4 L of chlorine gas (Ch) at STP.
QI) what is the molarity when 0.85 mol CaSO4 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.
Calculate its molarity. (b) What is the concentration in grams per L?
Q4) (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/1. solution?
Q6) what is the concentration of (NaCI) in g/I. 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) g/L, (b) g/mL and (c) mol/L.

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