An organic compound containing C, H and O only. Has 29.6% O by mass. Its relative .olecular mass is 270. How many Oxygen atoms are present in a molecule of this organic compound..

12.1% C, 16.1% O, 71.8% Cl

Explanation:

i hope this is correct

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.