I Review I Constants I Periodic Ta Benadryl is an over-the-counter drug used to treat allergy symptoms. The formula of Benadryl is Cı7H21NO. Part A How many moles of C are present in 0.664 moles of Benadryl? You may want to reference (Pages 251 - 254) Section 7.4 while completing this problem. Express your answer to three significant figures and include the appropriate units HA ? Value Units of C Part B How many moles of H are present in 2.50 moles of Benadryl? Express your answer to three significant figures and include the appropriate units HA Value Units of H

I Review I Constants I Periodic Ta Benadryl is an over-the-counter drug used to treat allergy symptoms. The formula of Benadryl is Cı7H21NO. Part A How many moles of C are present in 0.664 moles of Benadryl? You may want to reference (Pages 251 - 254) Section 7.4 while completing this problem. Express your answer to three significant figures and include the appropriate units HA ? Value Units of C Part B How many moles of H are present in 2.50 moles of Benadryl? Express your answer to three significant figures and include the appropriate units HA Value Units of H

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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Blank #1) Calculate the mass of 1.98 moles of Li₂SO3 in grams. Report you answer with three sig.figs. Blank #2) Show your conversion factor set-up in the second blank. Use this format: 200 minutes X (1 hour/60 minutes) X (1 day/24 hours) Blank #1 Blank #2 Question 7 (4 points) Listen Blank #1) One tablet of aspirin, C9H8O4, contains 0.0212 moles. How many grams is this? Report your answer with three sig.figs. Blank #2) Show your conversion factor set-up in the second blank. Use this format: 200 minutes X (1 hour/60 minutes) X (1 day/24 hours) Blank # 1 Blank # 2 A A
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How many moles are co Type in answers without units, using scientific notation-include three decimal places (thousandths place) EXAMPLE-TYPE ANSWER LIKE THIS: 6.345e25 1.25 moles How many particles are contained in 20.0 mole of NaCl? * Type in answers without units, using scientific notation - include three decimal places (thousandths place) EXAMPLE-TYPE ANSWER LIKE THIS: 6.345e25 Your answer This is a required question
O CHEMICAL REACTIONS 3/5 Finding mole ratios from chemical formulae This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE): CH,OC(CH,), A chemical engineer has determined by measurements that there are 6.6 moles of carbon in a sample of methyl tert-butyl ether. How many moles of hydroger are in the sample? Be sure your answer has the correct number of significant digits. mol Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center 28°C Mostly cloudy pe here to search US
Her BIUA Russo One 14 +. Chalk CaCo, rofoam Cup C,H encil Eraser C,H4 PVC Pipe C,H,Cl Cotton Ball C,H,0, Sugar Cube Pastic Bottle C,,H,0, Crayon CH52 ns A chemist needs 1.25 moles of sugar to dssolve in 1ter of water. How many grams of sugar will the chemist need? From the calculated number of molecules of caicium carbonale (CacO in a piece of chak, determine the Jotal number of ach of the elements within your piece of chalk.calcium, carbon, and orygen. How many atoms in total are present? Molecules oF CaCo, Atoms of Ca Atoms of C Ptoms of 0 Total atomS. (3) The amount of iron requred per day for the average person is 0.015 g. How many alams of iron is this? Atoms of Fe. (4) CHALLENGE QUESTION: According to the National Insututes of Health (NIH), the recommended amount of sodium consumed per day for the average person is no more than 2.3 g. Using this information, how many moles of salt (NaC) would healthy for a typical person? Molecules of Nacl
3) A different compound contains only sulfur and fluorine.a sample of the cmpound 3.859 g of sulfurand 8.874 g of fluorine. how many moles (mol) of sulfur are in the compound? include the unit and three decimal places in your answer. 4) A compound contains 0.01354 moles of V and 0.02154 molesn of Cl. Calculate the ratio of moles of Cl/moles of V. Your number should be greater than 1and rounded to 2 decimal places.
Using the numbers below how do I set this up to get the correct answer?
A mixture weighing 28.516g containers 4.518g NH4CL, 15.20g SiO2, with the remainder NaCl. find the percent, weight, of each component. Show you method for making the calculations.
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The molecular formula of remdesivir is C27H35N6O8P. How many nitrogen atoms are in 6.4555 moles of remdesivir? Enter your response rounded to 3 significant figures.
2.5 gg H2OH2O Express your answer using two significant figures. How many molecules are in each sample?