यदि साइनिक अम्ल (HCNO) के 0.1Mविलयन की pH, 2.34 हो, तो अम्ल के आयनन स्थिरांक तथा आयनन की मात्रा ज्ञात कीजिए।

1.00g of a hydrogen salt cantains 0.2014g of iron, 0.1153g of sulfur,,0.2301g of oxygen and 0.4532g of water of crystallisation. find the emperical formula. (at. wt. : fe=56; s=32; o=16)​

Give one practical example of expansion of solids, liquids, and gases

The enerery released in netralizing of h2so4 and koh is 57.1kj mol . therefore claculte the value to h