Physics, 31.08.2021 14:20 morgannwaldrupp

1) Define a Compound 2) Calculate the percentage of chromium in K, Cro- An inorganic substance was analysed and found to be containing 65,31% Of oxygen 32,65% Of Sulphur and X amount of hydrogen 3. 1. Define empirical formula 3.2.) Calculate the percentage of hydrogen element in the substance. 3.3) Determine the empirical formula for the compound. 6,2579, of hydrated copper sulphate was heated, and during heating the moss quas recorded. The mass a the content was decreasing and apter a while the mass remained unchanged at 4g. 4.4) Give a reason why mass decreased 4.2) Calculate the number of motes a water in the original hydrated salt

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1) Define a Compound 2) Calculate the percentage of chromium in K, Cro- An inorganic substance was a...

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