Explain how many moles of water, h2o, are present in h20

Assignment Help Chemistry
Reference no: EM13256974

How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles

Reference no: EM13256974

Questions Cloud

Explain methanol over the crude product : During a work-up, we are asked to interrupt vacuum, "drizzle" cold methanol over the crude product, then reestablish vacuum. What is the purpose of this step and why does the methanol need to be cold
How many ip packet will be required to transport entire song : Given that you want to transfer a 3MB song by sending packets across an Ethernet link that has a MTU. of 1500 Bytes, answer the following questions. (for this question use 1MB = 1024KB, 1KB=1024Bytes)
Prepare income and expenditure account and balance sheet : Annual subscription for each member is Rs.120,Rs.240 being in arrear for 1998. Prepare Income & Expenditure Account and Balance Sheet.
What is the effective rate of interest : Randall Corporation plans to borrow $250,000 for one year at 21 percent from the Waco State Bank. There is a 29 percent compensating balance requirement. Randall Corporation keeps minimum transaction balances of $16,000 in the normal course of bus..
Explain how many moles of water, h2o, are present in h20 : How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles
Should tanner appliance purchase : Should Tanner Appliance purchase part M4 from the outside supplier?
What would make for a larger increase in the stock variance : what would make for a larger increase in the stock variance an increase of 1.5 in its beta or an increase of 3% in its residual standard deviation?
Determine the diameter of the image : A lens of focal length 15.0 cm is used to create an image of the Full Moon. What is diameter of the image
Supervision of the health of school children : Maternal and Child Health (M.C.H.) services are one of the basic services of local public health efforts. M.C.H. core services include: pre-natal care, post-natal care, neonatal care, and supervision of the health of school children.

Reviews

Write a Review

Chemistry Questions & Answers

  Chemicals have the highest value for electrical conductivity

Which of the following chemicals have the highest value 1-10 for electrical conductivity when dissolved in water and why

  Explain anions can be manotamic or polyatomic

Arrhenius acids are compounds that produce one or more hydrogen ions(H^+) plus an anion when dissolved in water. Anions can be manotamic or polyatomic

  Compute the molar mass of sucrose

Calculate the molar mass of sucrose. How many mol sucrose did you start with in this lab?

  Define the pressure is the same everywhere in the pipe

When the gas is not flowing, the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the arm connected to the pipe?

  Explain what is the fate of acetyl coa in the mitochondria

What is the fate of acetyl CoA in the mitochondria in the presence of the following? (a) high ADP levels? (b) high NADH/NAD+ ratio? (c) low levels of oxaloacetate

  State scratching the surface on enthalpy

Determine qp for this reaction using deltaH = qp *Just scratching the surface on enthalpy, the help in understanding the process in full is much appreciated

  Explain what is the rate law predicted by this mechanism

is believed to follow the mechanism H2O2 + I- ? H2O + IO- fast H2O2 + IO- ? H2O + O2 + I- slow At 25oC, the first step is fast relative to the second step. What is the rate law predicted by this mechanism?

  Describe neutralize a solution

Are necessary to completely neutralize a solution in which 60.0g of NaOH have been dissolved

  Explain a system where equal masses of aluminum

Which of the following states are Ture of the final temperature of a system where equal masses of Aluminum( Cal=0.900 J/g Celsius, Ti=75 Celsius and water (ch2o=4.284j/gcel, Ti=25 cel) are placed in contact? assume no energy losses to the surround..

  Explain mechanism to demonstrate how pyridine catalyzes

Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible?

  State what are the experimental conditions of t

What are the experimental conditions of T and P that willbe used to calculated the mass of air in the flask? b) Calculate the density of air at the experimental conditiosnidentified in part a. c) Calculate the mass of air in the flask before the liqu..

  Describe mechanical operators for the two observables

Construct quantum mechanical operators for the two observables: a. The inverse seperation, 1/x and b. the electric dipole moment in one dimension

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd