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Investigation: Is Dilution the Solution?
Systematically diluting a full-strength sample of food coloring is meant to help earth scientists understand concentration in parts per million. While they will enjoy the lab exercise, it might be a challenge to help them relate it to...
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Reactions in Aqueous Solutions
In this solutions learning exercise, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This learning exercise has 15 problems to solve.
Pingry School
Acid-Base Indicators
Acid-base indicators are an essential part of any chemistry classroom. Individuals explore the color-changing feature of the important indicators in a vibrant hands-on activity. Using serial dilution, learners create solutions ranging...
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Solutions by Dilution
In this solutions worksheet, students determine the molarity of a solution after it has been diluted to a specific volume. This worksheet has 12 problems to solve.
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Dilutions
In this dilutions worksheet, students calculate molarity of solutions and practice figuring out the volume of concentrate needed for a specific dilution of solutions. This worksheet has 4 word problems.
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Dilutions Worksheet
In this dilution worksheet, learners determine the final concentrations of solutions after a specific amount of water has been added. This worksheet has 4 problems to solve.
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Dilutions
In this dilutions worksheet, students determine the molarity of given solutions and calculate the volume necessary to dilute a solution to a specific molarity. This worksheet has 5 problems to solve.
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pH Lab
In this pH worksheet, students experiment with dilutions of acidic solutions to test for the pH using cabbage as an indicator. They then test a variety of substances for pH. On day two of the lab, they test conductivity of solutions and...
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Find the Percent of Iron in Manganate (VII)
Dilute sulphuric acid is used to oxidize manganate (VII) into manganese (II) and water. Step-by-step procedures are outlined on the worksheet as well as calculations for junior chemists to perform in their science journals. This...
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Additional Aqueous Solution Review Problems
In this solutions worksheet, learners balance chemical equations, classify reactions by the type of reaction it represents, and review the solubility rules. Students practice working out double displacement, neutralization, and dilution...
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Solutions
In this solutions learning exercise, students answer 18 questions about solutions, saturation of solutions, solvents and solubility.
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Acids, Bases and Salts
In this acids, bases and salts worksheet, students solve five problems in order to determine the molarity of solutions or the volume of substances to be added to make molar solutions. They also solve five dilution problems about acids.
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Stoichiometry
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
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Rates of Reaction: Indigestion Remedies
In this reactions worksheet, students compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the results of loss of mass against time. Then students complete 5 short answer questions.
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The Plasmasphere
In this plasmasphere worksheet, students read about the dilute region of gases 10,000 kilometers above the Earth where atoms are ionized. Students use a photograph taken by the IMAGE EUV instrument to answer 3 questions about the...
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Reaction of Substituted Benzene
In this chemistry worksheet, students write the products for each of the reactions listed on the sheet. If there is no reaction they write N.R. There are 15 products to solve on the sheet.
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Exploratory Problem: Cardiac Output Rates
In this rate problem, learners explore the cardiac output of a patients heart by using the dye dilution method. They determine an interval of time and set up an integral to express the exact amount flow. This two-page worksheet...
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Reactions of Benzene
In this chemistry worksheet, pupils write the products for each of the given reactions. Then they write N.R. if there is no reaction present. There are eight reactions to identify on the sheet.
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Solutions Homework Problem Set
In this chemistry instructional activity, students determine the vapor pressure of a solution when dissolved in water at a set temperature. Then they determine the vapor pressure of this solution at a higher temperature. Students also...
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Aqueous Solutions
In this aqueous solutions worksheet, students will explore the characteristics of solutions, including the ability of different compounds to dissolve in the solutions. This worksheet has 10 true or false statements and 8 short answer...
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Working with Solutions
In this solutions worksheet, students review how molarity is calculated and how to prepare a dilute solution. This worksheet has 5 problems to solve.
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Preparation of Crystalline Derivatives of Aldehydes and Ketones
Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they are able to identify whether or not the substance is pure, and whether it is an aldehyde or ketone. This is an...
Curated OER
Synthesis
In this synthesis of organic compounds worksheet, students show the steps used to make compounds using toluene, benzene, straight chain carboxylic acid and alkyl halide. They include reagents needed and they show all structures in their...
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What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or in the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, just note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in...
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