Can I please get some help on this 1st answers
A. Aryabhata
B. Bhaskara ll
C. Brahmagpta

2nd answers
A. Brahmagpta
B. Bhaskara ll
C. Aryabhata

3rd answers
A. Brahmagpta
B. Aryabhata
C. ksemendra

4th answers
A. Aryabhata
B. Bhaskara ll
C. ksemendra​

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?