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Q:1,2,3 ;)
Find mass 1. Find the mass of 0.72 mole of lithium nitrite 2. If...
150. grams AX 1 mole A molar mass A X 3 mole B 2 mole A...
150. grams AX 1 mole A molar mass A X 3 mole B 2 mole A x molar mass B- mole B 1. Find the mass of water (H2O) needed to react with 150 grams of potassium (K). 2 K(s) + 2 H2O (5) ► 2 KOH(aq) + H2(g) 2. Find the mass of fluorine (F) needed to react with 150. grams of aluminum (AI). 2 Al(s) + 3 F2 (g) → 2 AIF, (s) 3. Find the mass of...
Q. 1 If you use 3 mol of KClO3 then how many mole of O2 will...
Q. 1 If you use 3 mol of KClO3 then how many mole of O2 will produce according to the balance equation 2KClO3 ------à 2KCl + 3 O2 Q. 2 How many moles of water H2O are in 75.0 g water? Q. 3 One mole of any substance has how many particles? Q. 4 One mole of Helium gas weighs Q. 5 Calculate the molar mass of Na3PO4 ( Q 6 -8) Iron oxide...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) S...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
1. determine the molar mass of aluminum perchlorate in units of grams per mole. 2. what...
1. determine the molar mass of aluminum perchlorate in units of grams per mole. 2. what is the mass (in grams) of 3.25 moles of elemental nitrogen? 3. how many molecules are found in 18.0 g of carbon dioxide? 4. A 170.00 g sample of an unknown compound want to UC Davis for elemental analysis. The results stated the unknown common consist of 29.84% sodium, 67.49% chromium, and 72.67% oxygen. Find the Paracle formula of this identified compound.
I would like some help with number 2. I'm having trouble with working out the problems. If you ch...
I would like some help with
number 2. I'm having trouble with working out the problems. If you
chould show your work step by step I could try to understand
it.
Thank you so much for your help.
Molar Conversions Problem Sets i. For each of the following find the number of moies contained in each sample -12 A) 45.3 grams of Sodium Nitide%F)356 x 1012 Forraula Units of Cesium Chloride 5, B) 1.02 x 1034 atoms of Mercury :...
Posta Posr Lab Questions 1. What is the mass or 5.47 mole of stearic acid? (MW-284...
Posta Posr Lab Questions 1. What is the mass or 5.47 mole of stearic acid? (MW-284 g/mol) 2. The density of stearic acid is 0.870 g/mL. What is the volume of 7.8 x 10 mole of stearic acid? 3. What assumptions were made in this experiment to arrive at a value for Avogadro's number? 4. What is the mass, in grams, of one molecule of stearic acid? E ating Avogadro's Number Answer the following questions about the graph and data...
1. what is the mole ratio for trial 1 and 2? 2. whats the average mole...
1. what is the mole ratio for trial 1 and 2?
2. whats the average mole ratio for trial 1 and
2?
3. whats the average deviation for trial 1 and 2?
* please include the steps if you dont mind*
ng down the equation ahd an example calculation, The example calculation only needs to be done for one trial. The results of the remaining trials can be written down in a table in your notebook. (Part 1)) Determine the...
Mole-Volume Conversions 1. Determine the volume, in liters, occupied by 0.030 moles of a gas at...
Mole-Volume Conversions 1. Determine the volume, in liters, occupied by 0.030 moles of a gas at STP. 2. How many moles of argon atoms are present in 11.2 L of argon gas at STE 3. What is the volume of 0.80 mol of neon gas at STP? 4. What is the volume of 2.3 moles of water vapor at STP? Mixed Mole Conversions 1. How many oxygen molecules are in 3.36 L of oxygen gas at STP? 2. Find the...
1. What is the mass of 0.25 moles of Na.O? 2- How many moles are in...
1. What is the mass of 0.25 moles of Na.O? 2- How many moles are in 10000 miligram of Fels? 3. How many atoms are in 0.25 moles of MgFz? 4. Find the mass of 100000 atom of KOH. 5. How many molecules are in 5 moles of Mgiz? 6- Find % of all in 1 mole of Al(OH)3. 7- How many gram of Oxygen is in 22 gram of Al(OH)3 22g x 100 8. How many atoms are in...
1). Determine the thickness of a piece of platinum foil that has a mass of 2.000...
1). Determine the thickness of a piece of platinum foil that has a mass of 2.000 g, and has length and width of 9.85 cm and 5.20 cm, respectively. Note that the density of platinum is 21.45 g/cm3 . 2). A 100.06-g piece of tungsten metal is dropped into a graduated cylinder containing water. If the water level in the graduated cylinder is observed to increase from 14.5 mL to 19.7 mL, what is the density of tungsten? 3.) What...
150. grams AX 1 mole A molar mass A X 3 mole B 2 mole A x molar mass B- mole B 1. Find the mass of water (H2O) needed to react with 150 grams of potassium (K). 2 K(s) + 2 H2O (5) ► 2 KOH(aq) + H2(g) 2. Find the mass of fluorine (F) needed to react with 150. grams of aluminum (AI). 2 Al(s) + 3 F2 (g) → 2 AIF, (s) 3. Find the mass of...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
I would like some help with
number 2. I'm having trouble with working out the problems. If you
chould show your work step by step I could try to understand
it.
Thank you so much for your help.
Molar Conversions Problem Sets i. For each of the following find the number of moies contained in each sample -12 A) 45.3 grams of Sodium Nitide%F)356 x 1012 Forraula Units of Cesium Chloride 5, B) 1.02 x 1034 atoms of Mercury :...
Posta Posr Lab Questions 1. What is the mass or 5.47 mole of stearic acid? (MW-284 g/mol) 2. The density of stearic acid is 0.870 g/mL. What is the volume of 7.8 x 10 mole of stearic acid? 3. What assumptions were made in this experiment to arrive at a value for Avogadro's number? 4. What is the mass, in grams, of one molecule of stearic acid? E ating Avogadro's Number Answer the following questions about the graph and data...
1. what is the mole ratio for trial 1 and 2?
2. whats the average mole ratio for trial 1 and
2?
3. whats the average deviation for trial 1 and 2?
* please include the steps if you dont mind*
ng down the equation ahd an example calculation, The example calculation only needs to be done for one trial. The results of the remaining trials can be written down in a table in your notebook. (Part 1)) Determine the...
Mole-Volume Conversions 1. Determine the volume, in liters, occupied by 0.030 moles of a gas at STP. 2. How many moles of argon atoms are present in 11.2 L of argon gas at STE 3. What is the volume of 0.80 mol of neon gas at STP? 4. What is the volume of 2.3 moles of water vapor at STP? Mixed Mole Conversions 1. How many oxygen molecules are in 3.36 L of oxygen gas at STP? 2. Find the...
1. What is the mass of 0.25 moles of Na.O? 2- How many moles are in 10000 miligram of Fels? 3. How many atoms are in 0.25 moles of MgFz? 4. Find the mass of 100000 atom of KOH. 5. How many molecules are in 5 moles of Mgiz? 6- Find % of all in 1 mole of Al(OH)3. 7- How many gram of Oxygen is in 22 gram of Al(OH)3 22g x 100 8. How many atoms are in...
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