Question of 5 Which country was the first to send a person into space? O A. Gemany Ob The Soviet Union O c. The United States O D Great Britain please help θ​

What is the chemical formula of the following compound

What is the name of this hydrocarbon?

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.