Chemistry, 26.08.2021 08:20 bxymichelle
Hoà tan hoàn toàn 8,1g kim loại A có hoá trị lll bằng dung dịch H2SO4 98 % . Sau phản ứng thấy sinh ra 10,08 lít khí ở dktc và dung dịch B. a. Xác định kim loại A. b. Tính khối lượng dung dịch H2SO4 đã tham gia phản ứng. c. Xác định nồng độ phần trăm của dung dịch B
Answers: 2
Chemistry, 22.06.2019 04:00
Actual ingredients of lab (the cookies i am actually making) 1/2 cup sugar 1/2 cup brown sugar 1 1/3 stick margarine 1 egg 1/2 tsp salt 1 tsp vanilla 1/2 tsp baking soda 1 1/2 cup flour 1 1/3 cup chocolate chip can you answer the questions below ? discussion 1. suppose you are given the following amounts of ingredients: 1 dozen eggs 24 tsp. of vanilla 1 lb. (82 tsp.) of salt 1 lb. (84 tsp.) of baking soda 3 cups of chocolate chips 5 lb. (11 cups) of sugar 2 lb. (4 cups) of brown sugar 1 lb. (4 sticks) of margarine a. for each ingredient, calculate how many cookies could be prepared if all of that ingredient were consumed. (for example, the recipe shows that using 1 egg- with the right amounts of the other ingredients- yields 24 cookies. how many cookies can you make if the recipe is increased proportionately for 12 eggs? ) b. to determine the limiting reactant for the new ingredients list, identify which ingredient will result in the fewest number of cookies. c. what is the maximum number of cookies that can be produced from the new amounts of ingredients?
Answers: 1
Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
Hoà tan hoàn toàn 8,1g kim loại A có hoá trị lll bằng dung dịch H2SO4 98 % . Sau phản ứng thấy sinh...
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