Calculate the mass in grams of each sample.
= ______ g
Express your answer using two significant figures.
=________ g
Express your answer using two significant figures.
=________ g
Express your answer using three significant figures.
Calculate the mass in grams of each sample. 2.3×1022 SO2 molecules. = ______ g Express your...
1) How many moles of water, H2O, contain 2.0×1022 molecules of water? Express the quantity in moles to two significant figures. Moles of water = ___________ mol 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 140 g of chlorine gas. Express the quantity in moles to three significant figures. Moles of chlorine gas = ___________ mol 3) Sodium hydroxide, NaOH, is a strong...
What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures. How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using four significant figures. What is the mass, in grams, of 1.40 times 10^21 molecules of aspirin, C_9H_8O_4? Express your answer using three significant figures.
Calculate the mass of NH3, in grams, require to produce 96.5 moles of water. Express your answer using three significant figures. 2 NH3 • 2 CH4 • 3 O2--> 2 HCN + 6 Hao
Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3 • 2 CH4 + 3O2--> 2 HCN + 6 H2O Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3. 2 CH4 + 3O2--> 2 HCN + 6 Hao Calculate the mass of NO2, in grams, needed to completely react with 25.9 grams of...
QUESTION 26 What volume of scandium, in milliliters, will have a mass of 31.2 grams? The density of Scandium is 2.985 g/mL Report your answer in milliliters to three significant figures and do not include units. RE QUESTION 27 How many molecules of CH4 are in 39.2 grams of CH4? Report your number of molecules to two significant figures and do not include units NO QUESTION 28 6 + + Determine the theoretical yield of Fe2O3, in grams, if 20.4...
How many grams of F are in 1.64 * 1022 molecules of XeF6 if the atomic mass of Xe is 131.3 g/mole, F is 19.0 g/mole, and XeF6 is 245.3 g/mole (the final answer should have the correct number of significant figures)
Calculate the mass (in grams) of each sample. A. 2.71×1021 molecules of SO3 B. 2.85×1024 molecules of H2O C. 4.35×1024 molecules of O3 D. 2.25×1021 molecules of CCl2F2
For the reaction Ti(s)+2F2(g)→TiF4(s) compute the theoretical yield of the product (in grams) for each of the following initial amounts of reactants. 5.0 g Ti, 5.0 g F2 Express your answer using two significant figures. 2.5 g Ti, 1.6 g F2 Express your answer using two significant figures. 0.232 g Ti, 0.295 g F2 Express the mass in grams to three significant figures.
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2. Express your answer numerically in moles. 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 100 g of chlorine gas. Express the quantity in moles to three significant figures. 3) Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such...
0.224 g Ti, 0.280 g F2 Express the mass in grams to three significant figures. Submit RequestAnswer 0.224 g Ti, 0.280 g F2 Express the mass in grams to three significant figures. Submit RequestAnswer