Recent content by DavidQT

3. In an experiment, 2.00M sodium hydroxide solution was added to 20.0mL of 1.00M sulphuric acid until the acid was just completely neutralized. What is the concentration of sodium sulphate in the resultant solution? My final answer is 0.500mol/l. Am i correct.

Then how would I go about fixing my mistake.

Blood hemoglobin contains 0.33% iron. Assuming that there are two atoms of iron per molecule of hemoglobin, calculate the approximate molecular weight of hemoglobin. I don't get even how to start a question like this can someone tell me what their answer is and how they did it please.

Dividing by 4 does not work anyways 6 oxygen's divided by 4 does not equal 1 oxygen.

Still Dont get iit Ok I have a test tomorrow and I still don't get this question. Crocetin consists of elements carbon, hydrogen and oxygen. Determine the empirical formula of crocetin, if 1.00g of crocetin forms 2.68g of carbon dioxide and 0.657g of water when it undergoes complete...

Still Dont get iit Ok I have a test tomorrow and I still don't get this question.

Chemistry Homework -- the empirical formula of crocetin Homework Statement Crocetin consists of elements carbon, hydrogen and oxygen. Determine the empirical formula of crocetin, if 1.00g of crocetin forms 2.68g of carbon dioxide and 0.657g of water when it undergoes complete combustion...

Crocetin consists of elements carbon, hydrogen and oxygen. Determine the empirical formula of crocetin, if 1.00g of crocetin forms 2.68g of carbon dioxide and 0.657g of water when it undergoes complete combustion. I have tried this question several times but I can't get the right answer and I...