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1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745 g/mole D) 67.45 g/mole E) 19.00 g/mole

1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745 g/mole D) 67.45 g/mole E) 19.00 g/mole

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please I need the solutions to questions 1&2
1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745 g/mole D) 67.45 g/mole E) 19.00 g/mole 2. How many grams of K2SO4 are there in 0.123 mole of K2SO4? (Hint: you need to calculate the molar mass) A) 14.7 g B) 16.6 g C) 21.4 g D) 42.8 g E) 76.3 g 3. In this reaction, what is the correct coefficient for sodium chloride? Pb(No3)2 + ? NaCI PbCl2 + NaNo3 DII DD 80 888 F11 F10 F9 F8 F7 F4 F5 F6 F3 * & $ 4 5 6 7 8 9 Y U P R
Transcribed Image Text:1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745 g/mole D) 67.45 g/mole E) 19.00 g/mole 2. How many grams of K2SO4 are there in 0.123 mole of K2SO4? (Hint: you need to calculate the molar mass) A) 14.7 g B) 16.6 g C) 21.4 g D) 42.8 g E) 76.3 g 3. In this reaction, what is the correct coefficient for sodium chloride? Pb(No3)2 + ? NaCI PbCl2 + NaNo3 DII DD 80 888 F11 F10 F9 F8 F7 F4 F5 F6 F3 * & $ 4 5 6 7 8 9 Y U P R
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