Old Heterogeneous mixture QUESTION 20 How many moles of sodium bicarbonate (NaHCO3) are in 52 g...
QUESTION 1 Gatorade is an example of a Heterogeneous Mixture Homogeneous Mixture Compound Pure substance QUESTION 2 A piece of material has a mass of 125.42 g. When the gem is placed in a graduated cylinder containing 50.0 ml. of water, the water level rises to 88.5 mL. What is the density of the gem in g/ml? 3.26g/mL 1.42g/mL 2.84g/mL 0.307g/ml Click Save and Submit to save and submit. Click Save All Answers to save all answers
How many grams of sodium bicarbonate (NaHCO3) can a 25.0 degree celcius saturated solution have if 150.0 mL of H2O is used as the solvent?
3) Convert 0.200 g of sodium carbonate and 0.200 g of sodium bicarbonate to moles. Molar Mass of sodium carbonate 106.0 g/mol Molar Mass of sodium bicarbonate 84,0 g/mol 4) An unknown compound, "X", is known to be either SrCl2 or SrBr2. A 12.0 g sample of this compound yields 4.25 g of strontium. Identify the sample. Show the work. 5) How many milliliters of hydrochloric acid are required to react with 0.20 g of sodium carbonate? You must show...
s Question Completion Status: QUESTION7 How many moles of CH4 is equivalent to 24.2 g of CH4 (Mw. 16.04 g/mol)? QUESTION Write a balanced chemical equation for the reaction of acetone (C3HgO) with oxygen (O2) to form carbon dioxide (CO2) and water (H2o) AC3HO)+02()C ()+H2O) @d. 6 C3H60a)+302 (g) → 6 CO2 (g) + 6 H2O (g) oc. c3140 a) + 4 02 (g)-→ 3 CO2 (g)+3H2O(g) OD, 3 CO2 (g) + 3H20(g) → C3H600"402 (g) QUESTION 9 How many...
#6: How many moles of sodium chloride are present in 9.29 g? How many moles of sodium are present in the sample? please show work
How many mols there are in 2.5 g of propene (C3H6) ? QUESTION 16 Propene reacts with oxygen to produce carbon dioxide and water according to the following equation: 2C3H6 + 902 = 6CO2 + 6H2O Calculate how many mols of oxygen are needed to completely burn 2.5 g of propene. QUESTION 17 Click Save and Submit to save and submit. Click Save All Answers to save all answers. O Type here to search DLL
how many grams are in 81 mg aspirin sample Question Completion Status: QUESTION 5 The combustion of 0.374 kg of methane in the presence of excess oxygen produces 0.983 kg of carbon dioxide. What is the percent yield? 38.1 % 95.8% 37.4% 0.958 % QUESTION 6 How many moles of C,Hare required to produce 7.20 mol H,O? CH () * 504 (8) – 3 CO2 (4) + 4 HQ (g) Save All Aron Click Save and Submit to save and...
QUESTION 32 Using the table and network below, how many paths are there in the network? Activity Predecessor Time OAO - LOE 9 none of the answers given here 10 QUESTION 33 Click Save and Submit to save and submit. Click Save All Answers to save all answers QUESTION 33 Using the table and network below, what is the critical path of the project?! Activity Predecessor Time «Խլ bhi cdeni None of the answers given here. aeh Click Save and...
O d. QUESTION 2 How many grams of MgCl2 (molar mass = 95.21 g) is required to prepare 1.00 L solution that has a concentration of 0.586 M? a. 1018 b.55.8 g OC 10.4 g d. 2118 QUESTION 3 Chek Save and Submit to save and submit. Click Save All Answers to save all answers
0.48 45 QUESTION 2 When 56.4 g of NH3 reacts with 1710, to give NO, and H20, how many grams of H2O can be made? 0 0.0 89.5 QUESTION 3 How many moles of NaOH are needed to neutralize 15.0 mL of 0.235 M HCl solution? 225 v 101 mniec Click Save and Submit to save and submit. Click Save All Answers to save all answers. acer