butanoic acid contains only carbon ,hydrogen and oxygen atoms. A 4.24g sample of the acid is completely burnt, and gives 8.45g of carbon (iv) oxide and 3.46g of water. If it has a molecular mass of 88,determine its molecular formula. Show working​

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Compare and contrast refraction of light and sound will give brainliest