Explain how to make 5L of 0.15M acetic acid-sodium acetate buffer at pH 5.00 if you have 1.00 Molar acetic acid and crystalline sodium acetate. 答案 原题翻译.解释如何使用1.0mol/L的醋酸和醋酸钠晶体(固体)配置5L 0.15mol/L的醋酸-醋酸钠缓冲溶液.醋酸PKa=4.7(这个是常识不解释)c(H3O+)=Ka(HA)...
18.If you are administering an insulin dose of 60.0 mg from a bottle at a concentration of 10.0 mg/mL,how many milliliters of the solution do you need to give the patient?Express your answer numerically in milliliters.___19.A 60.0 g silver object and a 30.0 g gold object are both ...
In this experiment, you'll learn about the conditions needed to create a supersaturated solution. By using sodium acetate, water and a heat source, you'll be able to study how temperature affects solubility. Introduction Research Question: How does temperature affect solubility? Age: Middle schoo...
Our easy,“how to make” slime recipes show you how to master slime in 5 minutes or less!We have spent years tinkering with ourfavorite basic slime recipesto make sure you can make the BEST slime every time! We believe slime shouldn’t be disappointing or frustrating! That’s why we wan...
but when heating to high temperature, toxic oxide smoke that releases sulfur and sodium may be released. Mixing with water is corrosive acid. Used as food preservatives and laboratory reagents. Absorbing sulfur dioxide from sodium carbonate solution can be obtained after being separated and dry. The...
1 tablespoon Saline Solution (must contain boric acid and sodium borate) 1/2 cup of Water 1/4-1/2 tsp Baking Soda Measuring Cups, Spoons, Bowl Fun Mix-Ins! How To Make Clear Slime STEP 1: Add 1/2 cup of clear glue to a bowl. ...
borax to make slime has caused some people to pause when choosing recipes. However, science educatorSteve Spanglerinsists that the product has been unfairly vilified, and was just replaced in a lot of recipes by contact lens solution, which features — you guessed it — borax as an ingredient...
Make Copper Sulfate: Copper sulfate can be used to grow bright blue crystals. Make Sodium Acetate (Hot Ice): Sodium acetate is produced from the reaction between baking soda and vinegar. Make Ammonium Nitrate: Make ammonium nitrate by reacting nitric acid and ammonia....
The baking soda and vinegar will fizz as they react together, which is why you need to add the baking soda slowly. You have now made a solution calledsodium acetate. Carbon dioxide gas is also given off. Simmer the solution on the hob until it has reduced to about 100ml. This should ...
Not everyone has access to the same ingredients! Each of the basic slime recipes below have the full step by step photos, directions, and even videosto help you along the way! Saline Solution Slime Recipe Borax Slime Recipe Liquid Starch Slime Recipe ...