What is the Molar Mass of C3H5(NO3)3? Answer in g/mol 2. If there are 0.75 moles of drug, how many moles of Oxygen are there? 3. If there are 55.0 grams of the drug, how many grams of Nitrogen are there?

2. An organic compound has an empirical formula CH2O and a molar mass of 180 g/mol. What is its molecular formula? CH2O C6H12O6 C2H4O2 C5H10O5

Moles within Moles and Molar Mass Part 1: a How many hydrogen and oxygen atoms are present in 1 molecule of H2O? b How many moles of hydrogen and oxygen atoms are present in 1 mol H2O? c What are the masses of hydrogen and oxygen in 1.0 mol H2O? d What is the mass of 1.0 mol H2O? Part 2: Two hypothetical ionic compounds are discovered with the chemical formulas XCl2 and YCl2, where X and Y represent symbols of the imaginary elements. Chemical analysis of the two compounds reveals that 0.25 mol XCl2 has a mass of 100.0 g and 0.50 mol YCl2 has a mass of 125.0 g. a What are the molar masses of XCl2 and YCl2? b If you had 1.0-mol samples of XCl2 and YCl2, how would the number of chloride ions compare? c If you had 1.0-mol samples of XCl2 and YCl2, how would the masses of elements X and Y compare? d What is the mass of chloride ions present in 1.0 mol XCl2 and 1.0 mol YCl2? e What are the molar masses of elements X and Y? f How many moles of X ions and chloride ions would be present in a 200.0-g sample of XCl2? g How many grams of Y ions would be present in a 250.0-g sample of YCl2? h What would be the molar mass of the compound YBr3? Part 3: A minute sample of AlCl3 is analyzed for chlorine. The analysis reveals that there are 12 chloride ions present in the sample. How many aluminum ions must be present in the sample? a What is the total mass of AlCl3 in this sample? b How many moles of AlCl2 are in this sample?

3.What is the mass in grams of 0.76 mol of potassium chloride? Group of answer choices a, 60 b, 99.4 c, 76 d, 57   4. How many molecules are present in 550.2  g of citric acid, C6H8O7? Group of answer choices 1.72x1024 17.2460x1023 1.92x1024 6.02x1023

How many moles of ethanol, C2H6O, are in a 10.0 g sample? How many grams are in a 0.10 mol sample of ethanol?

How many moles are there in 101 g of Hexane (CgH,4)? 0.85 1.17 O 2.02 0.50

Can you please help me with number 4

1) How many molecules are in 2.00 moles of Cl2? 2) How many formula units are in 5.00 moles of CaS04? 3) How many moles are in 3.00 x 1024 molecules of SO2? What is the molar mass of NaCl? 4) What is the molar mass of Ca? 5)

If there are 8.2 mL of nonane (C9H20) (density of nonane = 0.72 g/mL) how many moles are there?

1. A compound that contains only carbon, hydrogen, and oxygen is 40.54% C and 5.44% H by mass. What is the empirical formula of this substance? 2. Prevacid is used to treat gastroesophageal reflux disease (GERD). The chemical formula of Prevacid is C16H14F3N3O2S. What is the molar mass (in g/mol) of Prevacid? Make sure to have the correct amount of significant figures.