Please Help 20.Calculate the percent composition of Ag,SO4.21.What is the percent of water in Na2CO3 . 2H,O?22What is the empirical formula of an oxide containing 49.5% manganese? (Hint:Oxide = compound of Mn with O).23.What is the (a) percent of water (b) percent of oxygen for the hydrate MgSO4 .2 H2O?24.If 2.21 grams of strontium combines with 1.79 grams of chlorine to form a chloride,calculate the percent composition of the compound.25.What is the empirical formula of strontium chloride in problem 24?26.Calculate the empirical formula from the information given below:a. 63.5% Fe; 36.5 % Sd. 25.9% N; 74.1% Ob. 0.83% H; 45.8% Mn; 53.4% Oe. 31.9% K; 28.9% Cl; 39.2% 0c. 85.7% C; 14.3% Hf. 81.8% C; 18.2% H

Answered: Image /qna-images/answer/c61043b5-4125-4c13-b5bf-7653d4b69b7b.jpg

20. Calculate the percent composition of Ag,SO4. 21. What is the percent of water in Na2CO3 . 2H,O? 22 What is the empirical formula of an oxide containing 49.5% manganese? (Hint: Oxide = compound of Mn with O). 23. What is the (a) percent of water (b) percent of oxygen for the hydrate MgS04 .2 H2O?

20. Calculate the percent composition of Ag,SO4. 21. What is the percent of water in Na2CO3 . 2H,O? 22 What is the empirical formula of an oxide containing 49.5% manganese? (Hint: Oxide = compound of Mn with O). 23. What is the (a) percent of water (b) percent of oxygen for the hydrate MgS04 .2 H2O?

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...

See similar textbooks

Similar questions

part A 1. Concentration of Known NiCl2 Stock Solution ___500________ mM Tube Number Blank #1 #2 #3 #4 #5 2. Volume of Known NiCl2 Stock Solution Pipetted Into Tube 0.00 mL 1.50 mL 3.00 mL 4.50 mL 6.00 mL 7.50 mL 3. Volume of Distilled Water Pipetted Into Tube 11.00 mL 9.50 mL 8.00 mL 6.50 mL 5.00 mL 3.50 mL 4. Total Volume of Solution In Tube 11.00 mL 11.00 mL 11.00 mL 11.00 mL 11.00 mL 11.00 mL 5. Diluted Concentration of NiCl2 In Tube ----------- 68.2 mn 136mn 204mn 273mn 341mn 1. Equation for the Best-Fit Straight Line Y=3822x+4.7446 2. Absorbance at λmax for Diluted Unknown 0.87 3. Concentration of NiCl2 in Diluted Unknown 25.693 mM Determine the dilution factor for your diluted unknown U1 based on how you prepared the solutions in Part A. Record this on your report sheet in Part D #4.
helpp??
Can someone please help?
Assignment Score: 45.9% Question 12 of 19 What concentration of CI re [CI¯] =
Please don't provide handwriting solution
Pinde cerrect Pndult Br Noost Ph Ph noreaction Ph
Can someone check to see if #9 through #12 are correct with the information provided
What go in empty box in this equation
To which sample solution the spike will be add? the distillate>130C the mass standard the distilled <130C