N = Submit Request Answer Part C 16.6 mol Hg Express your answer using three significant figures. ΑΣΦ ato %3D

Q: A chemist adds 370.0 mL of a 4.8 × 104 mmol/L magnesium fluoride (MgF₂) solution to a reaction…

A: Answer:Number of moles of a specie in a solution is equal to the product of its molar concentration…

Q: Calculate the quotient below, and express the result with the co 7.2 +176 =

A: Answer:In divison operation, number of significant figures in the final value is always equal to…

Q: The pK of butyric acid (HBut) is 4.82. Calculate the K₁ for butyrate ion (But). Be sure your answer…

A: Step 1: Step 2: Step 3: Step 4:

Q: This is the chemical formula for carvone: C10H14O An organic chemist has determined by measurements…

A:

Q: How many significant figures are in each number?

A: Given :- A)  0.1 s B)  108,700 km  To calculate :-  Number of significant figures in each number

Q: How many atoms are contained in 18.50 mL of water (d = 0.997 g/mL)?

A:

Q: Calculate the mass in grams of each sample 4.2×1025 O3 molecules Express your answer using two…

A: As we know, Mass = Number of moles x molar mass Molar mass of O3 = 48g/mol

Q: Use the following information and your knowledge of Dimensional Analys to determine the number of…

A: To use dimensional analysis to determine the number of howls in 12 whines

Q: 548.8 + 0.2 x 55.4±0.6 (1142.9 ± 0.6 – 171.0±0.5) ANS: Absolute uncertainty: Percent uncertainty:

A: The value which gives the range of true value when combined with reported value is known as absolute…

Q: 1.17x10^24atoms of CO2 to mol= rounf answer to 2 decimal places

A: The mole of CO2 present in 1.17×10^24 atoms.

Q: 1-35. How many grams of 0.491 wt% aqueous HF are required to provide a 50% excess to react with 25.0…

A: Given: Molarity of Th4+ = 0.0236M Volume of solution= 25ml

Q: hajor product(s) for the following reaction. 1) BH, THF 2) H₂O₂, NaOH

A:

Q: Please correct answer and don't use hand rating

A: PART D) To find the number of moles of H2O produced from the combustion of propane (C3H8),  we need…

Q: A student doing the distillation performed in this experiment notices that, while the liquid in the…

A: As per the question asks that boiling temperature is 53 degree Celsius. Thus distillation occurs at…

Q: Ⓒ Macmillan Learning A sample of hydrogen sulfide, H₂S, has a mass of 51.00 g. Calculate the number…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Part A How many significant figures are in each number? 0.1 s O 4 2 3 6 7 The number of significant…

A: Rules for identifying significant figures:  1. The digits except zero are always significant 2. The…

Q: Calculate the number of cations and anions in 3.27 g of Ca3(PO4)2 Be sure each of your answer…

A: Given,mass of Ca3(PO4)2 = 3.27 gMolar mass of Ca3(PO4)2 = 310.18 g/mol

Q: Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charg

A: The conversion of carbonyl compounds into alkene by the reaction with the triphenyl phosphonium…

Q: Calculate the number of oxygen atoms in a 100.0 g sample of vanadium(V) oxide (V,O,). Be sure your…

A:

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Significant number: The non-zero digits are all significant. Among non-zero digits, there are large…

Q: While cleaning your attic, you found your old rock collection. If 83.58% of the rocks have a mass of…

A:

Q: ne mass of

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Q: log10 x/ 100= 10 7.50×10−3 − 9.50×10−4 + 2.13×105  105 × π × (5.40)2

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Q: What is the percent by mass of chromium (atomic mass = 52.00 g/mol) in Cr2S3 (mm = 200.20 g/mol)?…

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Q: the mole is a common unit of measurement in chemistry you mat not be faniliar with mikes but one of…

A: Given : Mass of water i.e H2O = 290 g And mass of 1 mole of water = 18 g

Q: Calculate the number of nitrogen atoms in a 50.0 g sample of dinitrogen tetroxide (N₂04). Be sure…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: 1.) The measured mass of a sample would have which of the following units? A) g/cm B) g/mol C) g/cm3…

A: Four questions of MCQ type which are to answered.

Q: (The formula in this problem may not be a real molecule.) How many grams of hydrogen atoms are…

A: Given : moles of carbon = 47 mole

Q: Macmillan Learning Determine the molecular mass and its uncertainty for CH, COOH. Significant…

A: To calculate the molecular mass  Here we have 3 types of atoms Carbon , Oxygen, Hydrogen Now carbon…

Q: Calculate the number of boron atoms in a 50.0 g sample of tetraborane (B4H₁0). Be sure your answer…

A: Given, mass of sample of tetraborane (B4H10) = 50.0 g Number of atoms of boron (B) = ? Note: molar…

Q: Perform the following calculation to the correct number of significant figures: O 130.85 O 130.8…

A: Addition and subtraction:In this case we round the answer to the same number of decimal places as…

Q: Determine the molar mass of Fe(NO3)2. Provide an answer to two decimal places.

A: Molar mass of compound obtained taking atomic mass of elements present in this compound.

Q: Calculate the number of carbon atoms in 1.21 g of table sugar, C₁2H22 O11- Express your answer using…

A: The Avogadro number, denoted as "N_A", is a fundamental physical constant that represents the number…

Q: What is the mass percent of phosphorus in P5O2?

A:

Q: The following prompt will be used to answer the first six questions. An experiment was performed to…

A: Given :

Q: Calculate the number of oxygen atoms in a 150.0 g sample of scheelite (CaWO4). Be sure your answer…

A: Number of Oxygen atom in 150g CaWO4 can be calculated as follows

Q: To how many significant figures should each answer be rounded? (a) (6.626 x 10-34 J-s) (2.9979 x 10…

A:

Q: 62.6×13

A: Given that : We have to perform the following calculation : 62.6×13

Q: 1.8 mol S² Eq s² =

A: Answer:Valency factor of an ion is always equal to the magnitude of charge present on it.

Q: How many atoms are there in each of the following substances? 1.88 g Bi Express your answer using…

A: Calculate number of atoms in each element given--

Q: In the equation SiO2 + 2C → Si + 2CO, if 24.0 grams of silicon dioxide is used, how many grams of…

A: 1 mole compound = molar mass of respected compound  mole = weight/ molar mass

Q: Use the following made up equivalencies to answer the following questions: 30.5q equals 1s 13.2s…

A: Given  12654q To find  How many p are in 12654q?

Q: Part D 1.5630 x 1011 n m O 1 2 O 3 O 4 O 7 O 5 O 6 Tho numho of significant fig

A:

Q: Review Constants I Periodic Table MISSED THIS? Read Section 6.6. You can click on the Review link to…

A: Step 1:   Step 2: Step 3: Step 4:

Q: Please correct answer and don't use hand rating

A: PART D)To find the number of moles of H2O produced from the combustion of propane (C3H8),  we need…

Q: Please answer question number 2  correctly with the correct answer. there is a picture of an example…

A: 32.0 g/mol approx. is the molar mass of dioxygen (O2) gas and there are 6.022x1023 of molecules of…