Blank #1) Calculate the mass of 1.98 moles of Li₂SO3 in grams. Report you answer with three sig.figs. Blank #2) Show your conversion factor set-up in the second blank. Use this format: 200 minutes X (1 hour/60 minutes) X (1 day/24 hours) Blank #1 Blank #2 Question 7 (4 points) Listen Blank #1) One tablet of aspirin, C9H8O4, contains 0.0212 moles. How many grams is this? Report your answer with three sig.figs. Blank #2) Show your conversion factor set-up in the second blank. Use this format: 200 minutes X (1 hour/60 minutes) X (1 day/24 hours) Blank # 1 Blank # 2 A A

Q: Formula: M1 x V1 = M2 x V2 I need to find M2. M1 = Molar mass of Cobalt 2 Chloride (which i…

A: Interpretation -  To find the value of M2 according to given formula   M1 x V1 = M2 x V2  when…

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A: Answer: This question is based on the stoichiometric calculation of the reaction that we have…

Q: For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a…

A: Given, 2.487 x 10-4 moles of tartrazine

Q: A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

A: All the necessary calculations have been done in the following step.

Q: For the following questions (Q8-Q12), consider the compound tartrazine (Yellow 5 food dye) that has…

A: Mass of tartrazine = 0.1283 g

Q: A chemist adds 140.0 mL of a 0.514M aluminum sulfate (Al, (SO₂),) & solution to a reaction flask.…

A: Millimoles of aluminium sulfate =?

Q: 33 34 = 35 = 36 37 38 39 40 = 41 = 42 = 43 = 44 Aqueous hydrochloric acid (HCI) reacts with solid…

A:

Q: Another student performed the same percent composition of a hydrate experiment, but kens the…

A: 3a. The experiment was the determination of percent composition of hydrate.

Q: how many grams are in 5.32x10^22 molecules of CO2 -I'm not sure what to do i was wondering if you…

A: The species mass may be examined by the mathematical product of the species moles and its molar…

Q: How many grams of AgCI will be formed when 60 | mL of 0.500 M AGNO; is completely reacted according…

A: To calculate the grams of AgCl formed.

Q: H2SO4(aq) + Pb(C2H302)2(aq) PbSO4(s) + 2 HC2H3O2(aq) Solutions of sulfuric acid and lead (II)…

A: The balanced reaction taking place is given as, => H2SO4 (aq) + Pb(C2H3O2)2 (aq) ------->…

Q: Solid aluminum hydroxide forms when 110 mL of 1.5 mol/L aqueous aluminum acetate Al(C2H302)3 is…

A:

Q: Liquid octane (CH₂(CH₂) CH3) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

A: Limiting reactant - Reactant species which react completely or present in less amount in reaction.…

Q: S8 + 1202-8S03 If 159.09g of sulfur (Sg) is reacted with 163.96g of oxygen (O₂) to produce 2.72mol…

A: Sulfur reacts with oxygen to form sulfur trioxide. The equation for the balanced chemical reaction…

Q: QUESTION 32 A chemist needs to determine the concentration of an unknown monoprotic acid. To do…

A:

Q: Question: You mix 42.00 mL of 6.20 Pb(NO3)2 with 23.00 mL of 1.70 NaCl. A precipitate forms.…

A: Precipitation reaction: These are the type of double displacement reaction in which there is the…

Q: . Determine the mass, in grams, of 0.390 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: Given, moles of Pb = 0.390 mol molar mass of Pb = 207.2 g/mol We know, mass = moles x molar mass The…

Q: 4.21 x 1023 molecules Cach STARTING AMOUNT 4.21 x 1023 molecules CaCl2 x 72°F Mostly sunny X 6.022 x…

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Q: QUESTION 6 Convert 2.09 moles NaOH to grams. 174 grams NaOH 83.6 grams NaOH 2. grams NaOH 0.0523…

A: 6. Given;

Q: id hexane (CH₂(CH₂) CH3 reacts with gaseous oxygen gas (02₂ to produce gaseous carbon dioxide (CO₂)…

A:

Q: For the following questions (Q1-Q4), consider the compound CoCl2 • 6H2O (cobalt (II) chloride…

A: Given data: Mass of CoCl2 • 6H2O = 2.51 g We know that, Molar mass of Co = 58.933 g/mol Molar mass…

Q: Ammonium phosphate ((NH4 PO) is an important ingredient in many fertilizers. It can be made by…

A: Ammonium phosphate can be prepared by reacting phosphoric acid with ammonia as; H3PO4 + NH3 →…

Q: If 7 moles of hydrogen gas are mixed with 5 moles of bromine gas, how many moles of each species…

A: We can consider the balanced equation to solve the problem.  The balanced equation is : H2 + Br 2…

Q: Using the formula Mn(ClO₄)₄ (MM = 452.74), what is the percent by mass of Mn in the compound?

A:

Q: What is the concentration (in molarity, M) of a solution prepared by diluting 25 mLof 1.35 M sodiurn…

A: The given data contains,  Volume V1 = 25 ml. Molarity M1 = 1.35 M. Volume V2 = 86 ml.

Q: 13) 5.0 x 1024 moecules S, Clu →?mores S

A:

Q: Mr. Ragusa asks Hannah to make copper crystals from the following reaction. Cu(NO3)2 + 2Na -->…

A: Here we are required to find the percent yield of the experiment

Q: You want to calculate the mass of Reactant B that will react completely with 45 grams of Reactant A.…

A: To calculate the mass of reactant B that will react with the 45 gram of reactant A:

Q: Step 1a: When percentages are given, assume that the total mass is 100 grams to determine the mass…

A: Given : % N in sample of unknown compound = 66.6%   To find : Moles of N in sample of unknown…

Q: The unicycle tire contains 5.33x1023 molecules of nitrogen (N2) gas. If all of the gas was released…

A:

Q: A pure sample of an organic molecule has the formula CxHyOz. If x = 10, y = 22, and z = 2. Calculate…

A: • The formula of a  pure sample of an organic molecule is CxHyOz      •Since, the value of x = 10, y…

Q: A chemist prepares a solution of iron (II) chloride (FeCl₂) by measuring out 1.75 g of FeCl₂ into a…

A: Given,mass of FeCl2 = 1.75 gvolume of the solution = 250. mL

Q: 0.279 g of the hydrate CoCl2•nH2O is heated to produce 0.197 g of anhydrous CoCl2 (MM = 129.83…

A: The water of crystallization means having a fixed number of molecules present in one formula of a…

Q: Here is a graph of the molarity of ammonia (NH3) in a reaction vessel during a certain chemical…

A: a) From the above curve, we can see that the concentration of NH3 is decreasing.Hence it means that…

Q: 9. If 44.0 g of O2 is mixed with 44.0 g of H2 and the mixture is ignited, what is the maximum mass…

A: First we find mole of each reactant by using the formula:-  Mole = mass÷ molar mass

Q: Hydrates have the general formula: CxAy•z H₂O where z designates the number of water molecules in…

A: Hydrates have the general formula:CxAy.zH₂Owhere z designates the number of water molecules in one…

Q: Use 1 decimal point for all atomic masses. 12.3 g of NCl3(g) are reacted with 0.605 g of H2(g) by…

A: A limiting reactant is a reactant that is completely converted to products. Once all the limiting…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: (1.0 mol/L) (10-3L/1 ml) (52.27 g/mol)  -> 1 L = 103 ml  -> molar mass = 52.27 g/mol

Q: Hi, I was wondering if you could help me with the question below. Also, how do you use the…

A: Since in 1 molecule of CH4 we have  1) 1 Carbon atom  and 2) 4 hydrogen atoms Hence total number of…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: The conversion of quantity from one unit system to another unit system is known as unit conversion.…

Q: Gaseous methane (CH4) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide (CO₂)…

A:

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: Stoichiometry deals with the quantitative relationships between the reactants and products in a…

Q: Liquid hexane (CH3 (CH₂) CH3) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide…

A: Given -> Weight of hexane = 4.31 gm  Weight of O2 = 27.8 gm  Actual yield of CO2 = 7.66 gm

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Given : concentration of KI used = 0.010 M Volume of KI solution used = 5.00 mL = 0.005 L…