Calculate the mass, in grams, of 3.95 mol of argon, Ar. mass of Ar: Calculate the mass, in grams, of 0.867 mol of hydrogen peroxide, H, O, mass of H,O,:

if 1.095 g of unknown is found to be 0.00723 moles of solute, what is the molar mass of the unknown.( Your answer should have 3 sig figs)

Propane gas, CHs, is the fuel source for gas grills and fire places. What is the molar mass of propane? grams/mole

A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO, and Ca(NO,),. The mixture is 73.87% NO, is by mass. What is the mass percent of NaNO, in the mixture? 3. 3. mass percent of NaNO,:

Practice Grams Grams Conversions. A) How many grams of NaN, can be made from 114.95 grams of Na? Balanced Chemical Equation :2 Na + 3 N, → 2 NaN, Step 2: Given 114.95 grams of Na, Use the molar mass to convert into Moles Na. Known Information [Type] [Type ] Step 3: Use the coefficients of a balanced chemical equation to find the mole ratio Mole ratio : [Type] [Type ] (This is conversion factor for step 4) Step 4 Use the mole ratio to convert into Moles of NaN, [Type] [Type ] Result from Step 2 1 Step 5: Convert from moles into final desired unit. [Type] [Type ] Result from Step 4 grams NaNg. 1

How many atoms in 6.255 mol of each of the following: (Enter your answer in scientific notation using the correct number of significant figures.) • help: scientific notation format (a) Fe: atoms (b) H2: atoms (c) H2SO4: atoms