MACROSCALE+MICRO.ORG...-OWLV2 ACCESS
7th Edition
ISBN: 9781305884175
Author: Williamson
Publisher: CENGAGE L
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Textbook Question
Chapter 7, Problem 5Q
In experiment 1, how many moles of benzoic acid are present? How many moles of sodium bicarbonate are contained in 1 mL of a
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how to I convert 10mg/L (10ppm) of nitrate
(NO3-) to molar mass of nitrate?
Ç
Chapter 10 part 1: concentration units
As we have learned throughout this class, water contaminants can be harmful to the human body and the environment. There is an exact amount of how much
nitrate can be present in drinking water before it becomes unsafe. The U.S. EPA has a standard of 10 milligrams of nitrate per liter of water (mg/L), which is the
same as 10 ppm. Anything at or below 10mg/L is considered to be safe for humans to drink. If we were to consume more than the standard level of nitrate it can
cause a lot of health concerns, like weakness, dizziness, and an excessive heart rate.
Problem: What is the molar mass of Nitrate at 10ppm? the same problemljust worded differently
Nitrate (NO3-)
I
1mg/L-1ppm
convert 10ppm of (NO3-) into molar mass of (NO3-)
WHY IS SODIUM CHLORIDE READILY SOLUBLE IN WATER BUT NOT IN GASOLINE?
About 21.60 mL of 0.9944N sodium hydroxide solution required 20.40 mL of
hydrochloric acid solution. What would be the weight of sodium bicarbonate equivalent
with 22.25mL of HCl?
A. 0.9392g
B.1.2416g
C. 1.9679g
D. 1.0529g
Chapter 7 Solutions
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 1. Find the molarity of a 500 L solution that contains 10 moles of fluorine solute. 2. Calculate the molarity of a solution containing 5 moles of fluorine dissolved in 500 L of solution? 3. What is the concentration of a fluorine solution made of 10 moles of solute dissolved in 250 L of water?arrow_forward2. Calculate the molarity of a solution containing 5 moles of fluorine dissolved in 500L of solution? 3. What is the concentration of a fluorine solution made of 10 moles of solute dissolved in 250 L of water? 4. Find the concentration of 5 moles of solute dissolved in 250 L of water?arrow_forwardmixing instead of vigorously shaking them will help prevent emulsions from forming in the first place. 1. Questions 1. You are given a substance that is equally soluble in water and hexane (two immiscible solvents). a) What is K? b) If you start with 10 g of the substance dissolved in 100 mL of water and are given 100 mL of hexane to extract with, algebraically show that it is better to do two smaller extractions using 50 mL of hexane for each extraction than it is to do one extraction using 100 mL o hexane. 2. You have a solution that contains 4.0 g of oxalic acid dissolved in 100 mL of water. This solution is placed in a separatory funnel, and then 100 mL of diethyl ether is added to the separatory funnel and an extraction is performed. (Diethyl ether and water are immiscible solvents.) Use the following constants to calculate how much oxalic acid is in each solvent after the extraction. Solubility of oxalic acid in water = 9.5 g / 100 mL Solubility of oxalic acid in ether = 16.9 g /…arrow_forward
- Part Two: Types of Solutions (saturated, unsaturated, supersaturated) On a solubility curve, the lines indicate the concentration of a amount of solute that will dissolve at that specific temperature. solution - the maximum Values on the graph could be dissolved at that temperature. (below, above, on) a curve represent unsaturated solutions - more solute Use the solubility curve on the first page to label the following solutions as saturated or unsaturated. If unsaturated, write how much more solute can be dissolved in the solution. Solution If unsaturated: How Saturated (S) or Unsaturated (Un)? much more solute can dissolve in the solution? a solution that contains 70g of NaNO3 at 30°C a solution that contains 50g of NH.Cl at 50°C a solution that contains 20g of KCIO3 at 50°C a solution that contains 70g of KI at 0°Carrow_forwardRespond to the two questions by choosing the capital letter of your answer, then justify in one simple sentence. One teaspoon of each solid was dissolved separately in a glass of warm water by stirring. 1. Which solid will dissolve the fastest? 2. Which solid will dissolve the slowest? Choices are: A. Powdered sugar B. Granulated sugar C. Cubed sugararrow_forwardRemaining Time: 41 minutes, 51 seconds. * Question Completion Status: A Moving to another question will save this response. Question 19 What concentration of 29.03 mL of H2SO4 can be prepared from 13.53 mL of 0.45 M H2SO4? 8.5 M 0.21 M 0.34 M 9.6 M A Moving to another question will save this response.arrow_forward
- Answer the following questions with full solutions. 1. If I have a 200mL bottle of pesticide and the instructions say I should dilute this is a 1:1000 solution in water before use, how many liters of water should I mix with the pesticide? 2. If I use the same pesticide in the previous question and I have to mix these 1,000 liters of water, how many bottles of pesticide will I use? 3. If I have two bottles of 1 liter liquid foliar fertilizer mixed with 80 liters of water, what is the ratio I used to mix the solution?If I have a hectare of land and I need to spread granulated fertilizer in basal application using a ratio of 1:10, and one bag of fertilizer is 25kg, how many kilograms of fertilizer will I use? 4. If I have a 1,000g bag of water-soluble powder, and this is good for 50 loads of a 20-liter backpack sprayer, what is the ratio of powder to be mixed in water per load? 5.If I have to activate a microbial inoculant in solution using 1kg of molasses, and 28L of water for every 1L…arrow_forwardBe sure to answer all parts. What is the molarity of a solution prepared using the given amount of solute and total volume of solution? a. 80.0 g of NaCl in 630 mL of solution: b. 75.0 g of NAHCO3 in 7.9 L of solution:arrow_forwardHow many grams of NaOH must be added to 1.00 L of water to make a 15.0% N2OH solution? < Previousarrow_forward
- How many mL of 3 M NaOH should you add to obtain 1 L of 0.1 M NaOH ?arrow_forwardGiven 1 M HCl stock solution and a 50 mL vol flask, how much volume (mL) is required to make 0.05 M HCl?arrow_forwardIt was determined that benzoic acid (structure below) is not soluble in water. However, it can be reacted with certain substances to promote its solubility in water. One of these substances is: ОН 6 M HCI O 6 M NaHCO3 6 M acetic acid (CH3CO2H) O 6 M NaClarrow_forward
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