a.6.84g of sucrose, C12H22O11b.16.0g of sulphur dioxide, SO2c.68.0g ammonia,NH3d.50.0g gold,Au2.Calculate the mass in grams of each of the following:a.0.50 mole NH4OHb.0.75 mole H2SO4c.2.00 moles(NH4)3 PO4d.3.25 moles NaHCO33.Determine the number of atoms in each sample below:a.98.3g mercury,Hgb.45.6g sodium,Nac.10.7g lithium,Lid.144.6g tungsen,W4.In a bottle of soda, there is 0.28 mole of CO2a.How many molecules are there?b.How many carbon atoms are there?5.You have collected 10.0 kilograms of aluminum cans.a.How many moles of aluminum cans do you have?b.How many atoms of aluminum are there?pls.pls leave it blank if u cnt answer some questionsthanks
Let the solution settle and let the water evaporate leaving granules of salt behindif you want to collect the evaporated water, place a plastic wrap or film over the solutionWhen the water condenses on this foil which would preferably be placed on an angle, you can tilt it towards a bucket of some sort to collect the water
You've got to be kiddingHere's what I start my students with: 1 mol 1 molar mass of an element or compound 1 mol 6.022 x 10^23 particles (atoms, molecules, electrons, etc.) 1 mol 22.4 L of any gas at STP From those three relationships you can build a number of conversion factorsA conversion factor is a ratio (equal to 1) which will allow you to cancel out the units you don't want and leave the units you doFor instance: Convert 50.0g gold to moles 50.0 g Au x (1 mol Au / 197.0 g Au) 0.254 mol Au
