"Your data of the density of sodium chloride solutions should have produced a straight line when plotted how could this plot be used to determine the density of any concentration of sodium chloride so" Essays and Research Papers

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    growing to a height of 3 to 5 meters. Leaflets are elliptic to oblong-elliptic‚ 4 to 8 cm long. Petioles are narrowly and scarcely winged‚ about a cm long. Flowers are axillary‚ solitary‚ rarely in pairs‚ white‚ and short-stalked. Fruit is yellow when ripe‚ nearly spherical‚ 2 to 3.5 cm diameter‚ 6- to 7-celled‚ and thin-skinned. The skin or peel is green to yellowish green or yellow‚ loosely adhering to the flesh. The flesh contains a few light orange seeds. The forum from beemaster.com shows

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    purpose of this study was to observe the effect of different concentrations of sodium chloride have on the germination of lettuce seeds‚ Lactuca sativa. A study done by Katembe et al.‚ (1998) stated that an increase in salt solution in the environment of the seed will slow down water imbibition‚ therefore‚ preventing germination and root growth. The prediction for this experiment was that lettuce seeds‚ Lactuca sativa‚ having a higher concentration of salt in their environment will have a lower germination

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    form solutions that conduct electricity. Nonelectrolyte: A compound that doesn’t dissociate into ions when dissolved in water. 2.) Using examples in the last link‚ draw beakers showing atomic scale representations of aqueous solutions of the following compounds. Classify each as an electrolyte or nonelectrolyte. * Ba(OH)2 (aq) * NH3 (aq) * C3H7OH (aq) * NaHCO3 (aq) 3.) Why would it be important to use de-ionized water when preparing the aqueous solutions in this experiment

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    Abstract This laboratory involved utilizing equipment to dilute a sugar water solution. It also created solutions containing varying levels of concentrations and densities. Equations were used to figure the molecular weight of the sugar‚ and the number of moles of sugar in the volumetric flask. There was also an equation to figure the Molarity‚ as well. As a result of the experiment‚ I now have a better understanding of the density of a concentration‚ and what Molarity is . Observations Data Table

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    Preparation of Sodium Chloride through titration Abstract: acid-base titration is a technique commonly used to determine the moles of acid in a sample by adding a known volume of strong base of a known concentration. The strong base provides the hydroxide ion‚ to react quantitatively with the acid. The point at which the acid is completely and exactly consumed the known quantity of base is called the equivalence end point and is signalled by a colour change in the solution (end point). This colour change

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    Problem: How do solutions of various salt concentrations influence osmosis in relation to an onion cell? Materials: (per student group): red onion epidermis forceps‚ dropper distilled water NaCl solution paper towels microscope slide cover slip Procedure 1. Make a wet mount of the red onion epidermis. 2. Examine under low power. When you have a clear view of several cells‚ switch to high power. Make a labeled drawing (cell wall‚ membrane‚ cytosol) of your cells

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    There are thousands of compounds which have been discovered‚ and are yet to be discovered‚ with all these possible combinations it is necessary to provide order through a systematic naming system. This naming system‚ aside from organization also provides the reader with information about the given element. There are different kinds of compounds‚ ionic‚ covalent‚ and acidic and over all of this the atoms making up the compounds are either binary or polyatomic. The simplest compounds to name are binary

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    from an area of a high concentration to an area of low concentration. Diffusion continues until it reaches equilibrium. Osmosis is similar to Diffusion but it’s the process in which water moves across a semi-permeable membrane and goes to the higher concentration of solute.1 2.2. Important factors to Osmosis and Diffusion include Temperature‚ Concentration and Surface area to volume ratio. Temperature can affect the rate in which a solute dissolves in a solution‚ higher temperature faster

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    The Effects Sodium Chloride has on pond water Introduction Ponds are depressions in the ground that fill with water from either run offs or melting snow or rain fall from many different weather changes. There are two types of ponds permanent and temporary. Ponds tend to be much smaller in size and are usually only six to ten feet in depth. This differs from a lake because the size of a lake is much larger and is much deeper. The temperature of a pond is usually the same from top to bottom and

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    How does sodium chloride effect the growth of Phaseolus vulgaris? [Type the document subtitle] TABLE OF CONTENTS page number 1 DESIGN 1 1.1 Defining the problem 2 * Focus / research question * Hypothesis * Background information / theory * Investigation Variables 1.2 Controlling Variables 3 * Treatment of Controlled Variables * Control Experiment 1.3 Experimental Method 4 * Materials

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