1. How many moles of NaOH (FW = 40g/mol) are there in 2.0 grams NaOH? 2. How many grams of Na2CO3 (FW=106g/mo10 are there in 0.50 moles Na2CO3?
1. How many moles of NaOH (FW = 40g/mol) are there in 2.0 grams NaOH? 2. How many grams of Na2CO3 (FW=106g/mo10 are there in 0.50 moles Na2CO3?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter3: Equation, The Mole, And Chemical Formulas
Section: Chapter Questions
Problem 3.114QE
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Please answer question 1 ans 2
![1. How many moles of NaOH (FW = 40g/mol) are there in 2.0 grams NaOH?
2. How many grams of Na2CO3 (FW=106g/mo10 are there in 0.50 moles Na2CO3?
3. How much does 6.02 x 1023 molecules of CO2 (FW = 44g/mol) weigh?
4. Calculate the formula weight of aluminum phosphate.
5. What is the percentage composition of the elements present in sodium carbonate?
6. Determine the empirical formula of the compound containing 87.5% nitrogen and 12.5%
H by mass.
7. What is the molecular formula of the compound if its empirical formula is HCO2 and its
molecular weight is 90.0 almu?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9f03d03-6f13-455b-98ba-8db54568b5fa%2Fba2e9ab1-5156-464e-96aa-58e1ff341222%2Fidghfy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. How many moles of NaOH (FW = 40g/mol) are there in 2.0 grams NaOH?
2. How many grams of Na2CO3 (FW=106g/mo10 are there in 0.50 moles Na2CO3?
3. How much does 6.02 x 1023 molecules of CO2 (FW = 44g/mol) weigh?
4. Calculate the formula weight of aluminum phosphate.
5. What is the percentage composition of the elements present in sodium carbonate?
6. Determine the empirical formula of the compound containing 87.5% nitrogen and 12.5%
H by mass.
7. What is the molecular formula of the compound if its empirical formula is HCO2 and its
molecular weight is 90.0 almu?
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