A single molecule has a mass of 5x10^-22 grams, what's Molar weight?
I know that n=m/M.w but n is missing, does it have to do with Avogadro's number?
A single molecule has a mass of 5x10^-22 grams, what's Molar weight? I know that n=m/M.w...
The number of grams of P in 1 mol weight of H3PO4? I know the answer is 30.97 but the way the teachers wants it solved is with avogadro's number, and Im not sure how to do it that way.
Calculate the root mean square velocity, vrms, of a molecule that has a molar mass, M, of 45.02 g/mol at a temperature of 40.56 °C using the equation below. For this calculation the gas constant, R, is expressed as 8.314 J/(mol*K) and the molar mass, M, needs to be converted to kg/mol. vrms=3RTM
Question 1 (1 point) What's measured in mass spectrometry? Frequency Atomic number Mass Molecular weight Question 2 (1 point) In a mass spectrum, which peak indicates the molecular weight of the compound being analyzed? Base peak M +1 peak Molecular ion peak Fragment peak Question 3 (1 point) Based on fragmentation patterns, how many distinct peaks would you expect to see in the mass spectrum of n-propane? Question 5 (0.25 points Alkyl bromides and alkyl chlorides can be differentiated by...
I multiplied the concentration of solute x volume of solution molar mass and got = 41241.123 grams; this does not seem right. ow many grams of solute are present in 495 mL of 0.700 M KBr? Number
Please help quickly. I only have 25 mins 7. What is the molar mass, in grams, of a compound whose chemical formula has three calcium atoms, two phosphorus atoms, and eight oxygen atoms? Show work to get credit. No work, no credit. 8. Calculate the number of moles in 28.65 grams of the compound in question 7. Hint: you calculated the molar mass of the compound in question 7. Show work to get credit. No work, no credit. 9. Calculate...
1.According to the periodic table, a single (1 exactly) carbon atom has a mass of 12.011 amu. What is the mass of a single carbon atom in grams? 2. How many carbon atoms does it take to equal 12.011 grams? Complete the dimensional analysis set up provided for you (Hint: Your answer to question 1 can help answer this question). (Round to 3 sig figs) 3. According to the periodic table, a single phosphorus atom has a mass of 30.973...
i) Asmall crystal has a mass of 7.03 mg The dimensions of the crystal are 3.80 mm x 2.95 mm x 1.70 mm. What is the density of the solid in g/cm"? LAB VII. PRACTICE PROBLEMS NAME: SECTION: PART B. CHAPTER 2 PROBLEMS 1) Isotopes a) Fill in the blanks to complete the table. Symbol Z A N of protons (p) N° of electrons (c) Nº neutrons (n) 10 AG 15 b) Copper has two naturally occurring isotopes: 69.17% of...
How do I solve? A spring with k 33.5 N/m has a 1.20 kg mass attached. It is pulled 0.120 m and released. How much mechanical energy does it have? (Unit J) Enter 003-0 Acellus Corporation. All Rights Reserved
this is in regards to example 2, i know i need to isolate 'n' but how exactly would i go about that? • random error of ave =(error in one measurement)/n12 n is # of measurements Example 1: The mass shown on the balance after several additions of a powder tends to have a lower random error than any single mass addition. After clicking dispense five times consecutively, if each single addition has a random error of 10 %, what...
An accelerometer has a seismic mass of 100 grams and a spring constant of 2x103 N/m Maximum mass displacement is +0.01 m. Calculate: 3. a) The maximum measurable acceleration in g b) The natural frequency of oscillation Figure-1 Level Measurement by Concentric Cylindrical Capacitor