24.5 grams H2SO4. 4 0. tsaishiva. Calculate the number of moles of N O 2 (g) present, if the equilibrium N 2 O 4 (g) ⇌ 2 N O 2 (g) (K p = 0. HCl. Use this number to convert grams to moles. 96*g oxygen is a molar quantity of (96*g)/(16*g*mol^-1)=6*mol with … mw glucose = 180.2 g/mole. 192 grams SiO2. 4) How many NaCl units are present in 1 gram of common salt? Relevance. To get your answer, you need to turn grams into moles. Al 2 (CO 3) 3. 840. grams of NaHCO3 Now solve for the mass given the moles. 0.330 moles of FeS. 20. grams of Fe2O3. How many moles are in 0.034 g of hemoglobin? Favorite Answer. 4 Answers. 1 decade ago. Find:Moles of O grams of glucose →→→→moles of glucose →→→→moles of oxygen Moles of O = 70.0 g of C 6H 12O x 1mol C H O6 x 6 mol O Molar mass Molar ratio 180.1 g mol C6H12 O6 = 2.33 mol O Strategy: Once the number of moles of a substance present is known, we can use: – Molar mass to find the number of grams 5) Calculate the number of moles of CaCO3 present in 10 grams of 80% pure sample of limestone. 5.00 moles of SrSO4. Consider the sample is 100% pure. Answer Save. 8 5 × 1 0 2 1 molecules of Y weighs 0 . Consider the sample is 100% pure. Keep in mind, this is the total volume of the solution, not the volume of solvent used to dissolve the solute. 2) Calculate the number of atoms present in 54 grams of aluminium. Note that I am labouring the point that we deal with OXYGEN ATOMS , NOT OXYGEN MOLECULES. (g) We want the amount of moles of glucose. 6. Carbon is 12, hydrogen is 1 and oxygen is 16. 3.40 grams of H2O2. (Show your work) 2.00 moles of C6H12O6. To get the number of grams for glucose, go to the periodic table to find out the weights for carbon, hydrogen and oxygen. 12.0 moles of SiO2. 1 decade ago. 6 8 8 g. Why? 2) Calculate the number of atoms present in 54 grams of aluminium. 0.0526 x 250 g = 13.15 g C6H12O6. 1 4) is reached after some time :- View solution A mixture of 1 . 6 5 × 1 0 2 1 molecules of X and 1 . 5) Calculate the number of moles of CaCO 3 present in 10 grams of 80% pure sample of limestone. In glucose, C_6H_12O_6.....I gets 180.16*g of glucose. 3) How many atoms are present in 18 grams of water? How many moles of solute are present in 250 grams of a solution that is 5.26% C6H12O6 by mass? m is mass. 4) How many NaCl units are present in 1 gram of common salt? Dr W. Lv 7. 450. grams of ZnCl2. Because CLEARLY, each mole of glucose, C_6H_12O_6 contains 6*mol oxygen atoms. H2O. If the question asks for how many grams of sucrose must be added to make a 0.02 M solution, these additional steps may be followed: Step 3: Find Molar Mass While the counted amount of a mole of any substance is 6.022 x 10 23 , the molar mass of that substance will be different. 0.250 moles of CH4. "Moles of oxygen atoms" = 6xx"moles of glucose". M is the molar mass(g/mol). 13.15 g C6H12O6 x (1 mole / 180.2 g /mole) = 0.0730 moles. I’m a lazy explainer, So in short, It boils down to this: N is the number of moles(mol). How many grams of glucose, C6H12O6, will be needed to prepare 250 mL of 5%m/v glucose solution in water? 5. A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. moles of KMnO 4 = 23.7 g KMnO 4 x (1 mol KMnO 4 /158 grams KMnO 4) moles of KMnO 4 = 0.15 moles KMnO 4; Now the liters of solution is needed. Hemoglobin (molar mass is approximately 64,000 g/mol) is the major component of red blood cells that transports oxygen and carbon dioxide in the body. One molecule of glucose (C6H12O6) is equal to one mole of glucose. How many grams of H 2 O were produced? 22 grams of CO2. 0.100 moles of NH3. 3) How many atoms are present in 18 grams of water? 900. grams C6H12O6. How many moles of each element are present in 0.00445 mol of each compound?
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