B. Potassium
Chemistry, 22.07.2020 19:01 pandadude123
Which of the following compounds in the main group is a metalloid?
A. Arsenic
B. Potassium
C. Chlorine
D. Indium
Answers: 3
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
Answers: 1
Chemistry, 22.06.2019 17:10
Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth
Answers: 2
Which of the following compounds in the main group is a metalloid?
A. Arsenic
B. Potassium
B. Potassium
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