I am running out of questions to post so please answer all of them urgently thank you!!

3.60g of Ca and 3.75g of F Express your answers using one decimal place separated by a comma. How many moles of O are present in 3.3mol of Al2(SO4)3? Express the number of moles to two significant figures. n Incorrect; Try Again; 5 attempts remaining Urea. NH2CONH2; ammonium sullate, (NH4)2SO4, and ammonium hydrogen suifate. NH4HSO4 are all commoa ferilizers. Rank the compeunds in erdae frem largest mass percent of nitrogen to fimatlost mass percent of nitrogon. Rank from largest mass percent to smaltest mass percent. To rank items as equivalent, overfap them. Express your answer to three significant figures and include the appropriate units