A 270ml solution of phosphoric acid contains 130.1g of hydrogen phosphate H3PO4, IN 202./9g of water.what is the molality?

2 answers

You need to repost and clarify. Is that hydrogen phosphate (H2PO4^- or HPO4^2-) or do ou mean phosphoric acid, H3PO4. Also you have a typo. What's the /
A 270-mL solution of phosphoric acid contains 130.1g of hydrogen phosphate, H3PO4, in 202.9g of water. What is the molal concentration of the solution?