MISSED THIS? Watch CV.55 ME EZ Read Section 6.5You can click on the Review ink to access the section in yourCalculate the number of grams of sodum in 2 80 g of eachsodum contaring food additive▾Part ANaCl cable salt)Express the mass of sodium to three significant figures.| ΑΣΦSubmit23.0APrevious Answers Revest?8X Incorrect; Try Again; 5 attempts remainingThis value is the molar mass of Na. To calculate the mass of Na in the sample convert g NaCl to mol NaCl using the molar massof NaCl, then, use the mole ratio from the chemical formula to convert to mol Na. Finally, convert to g Na uning the molar mass ofNaLaunch this video During the video, you'll be asked a conceptual question about the example After watching the video, try thequestion agan You can watch the video again at any point

Sodium is 1st group element having only one electron in outermost orbital. The charge on it +1. It…

MISSED THIS? Watch KCV65 M62 Read Section 65 You can click on the Revew in to access the section in your Text the number of grams of sodum in 200 g of each sodum containing food adv Part A NaC cable salt) Express the mass of sodium to three significant figures MIN Submit VABA 23.0 00 ? Previous As Neves A maining 8

MISSED THIS? Watch KCV65 M62 Read Section 65 You can click on the Revew in to access the section in your Text the number of grams of sodum in 200 g of each sodum containing food adv Part A NaC cable salt) Express the mass of sodium to three significant figures MIN Submit VABA 23.0 00 ? Previous As Neves A maining 8

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter3: Extraction

Section: Chapter Questions

Problem 1Q

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89. A mixture is prepared by mixing 50.0 g of ethanol, 50.0 g of water, and 5.0 g of sugar. What is the mass percent of each component in the mixture? How many grams of the mixture should one take in order to have 1 .5 g of sugar? How many grams of the mixture should one take to have 10.0 g of ethanol?
Y Y Number of moles (n) of NH4Cl in 96.6 g of this substance. Express the amount In moles to three significant digits. IVE ΑΣΦ n= Submit Previous Answers Request Answer Part C X Incorrect; Try Again; 4 attempts remaining Review your calculations and make sure you round to 3 significant figures in the la Number of molecules in 8.437x10-2 mol CsH6. Express the amount in molecules to four significant digits. amount of C6H6 = Submit Part D 15. ΑΣΦ ? Request Answer Number of O atoms in R 25x10-3 mol A1(NO.). mol FOR ? molecules
a Assume that mitochondria are cylinders 8.00 um in length and 0.800 pm in diameter. What is the volume of a single mitochondrion? The volume of a cylinder is given by the expression: V = n x y2 x h Volume= m
A 0.235 mL sample of carbon tetrachloride (density = 1.59 g/mL, MM = 153.81 g/mol) contains how many AMU of Cl? Note: Use 6.022 x 1023 and/or 1.661 x 10-24 as appropriate.
Example 60 mice, each weighing 2 kg, were used in a lethal dose (LD50) experiment. The number of death mice versus the mass of substance A given to each mouse presented in the Figure below. 70 60 E S0 40 30 ultann A E 20 10 10 15 20 29 30 35 40 Mass of Sulstance given to each mouse (mg) Calculate the lethal dose (LD50) of substance A and B seperately. • Which one of the substances is more toxic? Number of death mice
D2L Homepage - S X (26) Pinterest x y bartleby - Yahox b Success Confi x с app.101edu.co < + M Your Chemistry x b Answered: Que x Time's Up! Determine the mass in grams of 3.30 × 1021 atoms of arsenic. (The mass of one mole of arsenic is 74.92 g.) Aktiv Chemistr X b Success Confi x 1 4 7 +/- 5 New Tab 2 3 8 g 6 9 G 0 x + Submit X C x 100
bo A sample of hydrogen sulfide, H₂S, has a mass of 51.00 g. Calculate the number of hydrogen sulfide molecules in the sample. number of molecules: R F 5 G Search or type URL T G B Sty 6 Y MacBook Pro H N V RO U J 8 M I K - 9 V I O > O L command P Δ· : ; { option + 41 = ? | molecules I } 1 de
A cereal contains 11.0 grams of sucrose (C_{12}*H_{22}*O_{11}) per 60.0 grams of cerealWhat mass in grams of cereal must be eaten to consume 0.0424 moles of sucrose ?
Question Completion Status: 2 A Moving to the next question prevents changes to this answer. Question 1 What is the amount of Ne in moles in a 355 gram sample of Ne? (Molar mass of neon = 20.18 g/mol) Report your answer to 3 significant figures. The answer should be in moles, but do not write the unit into the answer space. A Moving to the next question prevents changes to this answer. % 24 4 23 5 7 8 R Y D F K C く 6
The following prompt will be used to answer the first six questions. An experiment was performed to separate the components of a binary mixture composed of sucrose (sugar) and sand. The following data was collected in lab during the experiment. Mass of original binary mixture: 20.100 ± 0.001 g Mass of initial filter paper: 21.206 ± 0.001 g Mass of filter paper and isolated sand: 25.226 ± 0.001 g q3 Given the data and information in the prompt, what is the calculated absolute error on the percent of sand in the mixture? Enter the absolute error you calculated in the box below. You do not need to include the % symbol with your answer.
How many ng in 7.601 mg? Report your answer to 3 decimal places (examples 1.042, 0.050, 0.198, 3.000).
Ascorbic acid ( vitamin C) molar mass 176g/mol A healthy adult's daily requirement is 70-90 mg a lime contains 2.88x10*-4 mol of ascorbic acid ( vitamin C) to determine if the lime meets the daily needs one needs to calculate the mass of the lime