Molar Mass & Conversions Chemistry Honors

What tells you how many particles are in one mole of a substance? Avogadro's number molar mass molar volume atomic mass What tells you how many grams are in one mole of a substance? Avogadro's number molar mass molar volume atomic mass What tells you the space occupied by one mole of a gas at STP? Avogadro's number molar mass molar volume atomic mass Fill in the blanks with the appropriate term or value. One mole of gas at STP will occupy a volume of 22.4 L. One mole of water contains roughly 18 grams. One mole of particles contains 6.02 x 10²³ particles. This amount is referred to as Avogadro's Number. Calculate the molar mass of... Use ONLY whole numbers in your answer! Formula Molar Mass in g Na2SO4 142 CH3CH2COOH 74 CaCl2 111 NF3 71 Au2(Cr2O7)3 1042 You are converting 3.445 moles Ca to mass. The first step of your dimensional analysis looks like this. Which conversion factor will go in the next step? 40.08gCa1 mole Ca 1 mole Ca40.08gCa You are converting 3.445 atoms Ca to moles. The first step of your dimensional analysis looks like this. Which conversion factor will go in the next step? Determine the number of moles for each given mass. Round to the appropriate number of significant figures. Enter only the number as your answer. Round all answers to two decimal places. Mass Molar mass to use Moles 125 g of carbon dioxide (CO2) 44 g 2.84 87.0 g of ammonia (NH3) 17 g 5.12 390.0 g of calcium carbonate (CaCO3) 100 g 3.90 3. Mass to Moles Use one decimal place for answers. Do not include unit in answer. Moles Mass (g) Mass (g) 3.75 moles of water 18 g 67.5 2.800 moles of chlorine 71 g 198.8 Match the quantity in the first column to its correct conversion quantity in the second column. 2 moles of NaCl 117 g 44.8 L of hydrogen gas 2 moles 6.05 g carbon 0.5 moles 5.90 x 10²⁵ atoms of carbon 98 moles 8.35 g hydrogen 93.5 L To mark a word click its first letter then click its last. YOUAINTSTREET MOLARMASS KINGLYRIC MOLECULE LEFTFOOT AVOGADRO KETCHUP MUSTARD WANTED LITERS VOLUME TARTAR GRAMS ATOMS GIVEN SAUCE STOMP UNIT MOLE STP