B) Calculate mole fraction of N,, If 56 gram N, and 32 gram 0, is present in 5 litre
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An experimental procedure requires a 10 ml of acid to be dissolved

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore