What mass of water would be present in 890 g
A an aqueous methanol (CH3OH) solution has a mole fraction of 0.525 of methanol. What mass of water would be present in 890. g of this solution?
Expected delivery within 24 Hours
Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 475 of insulin at a concentration of 30.0 . What is the total mass of insulin in the bottle?
0.115 mole of CH4 was placed in a 1.00 L container. At equilibrium it was found that the [C2H2] = 0.035 M. What is the value of the equilibrium constant?
How many of the following changes wouldalter the numerical value of the equilibrium constant Kp for the reaction 2OF2(g) --> O2(g) + 2 F2(g)? I) an increase in temperature II) a decrease of the container volume III) adding more O2 at constant v
A current of 2.40 A is passed through a solution containing Cu2+(aq) for 30.0 minutes, with copper metal being deposited at the cathode. What mass of copper, in grams, is deposited? The reaction at the cathode is Cu2+(aq) + 2e- => Cu(s).
A 13 mL sample of a solution of Pb(ClO3)2 was diluted with water to 17 mL. A 15 mL sample of the dilute solution was found to contain 0.027 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution?
Small helium-neon lasers emit 3.50 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
A 45- piece of ice at 0 is added to a sample of water at 12. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample?
A 45- piece of ice at 0 is added to a sample of water at 12. All of the ice melts and the temperature of the water decreases to 0 .
1943604
Questions Asked
3,689
Active Tutors
1441105
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt.
Question: What area of work or study do you hope to enter into after completing your undergraduate program?
Question: What is the main purpose of conducting experiments? Need Assignment Help? Group of answer choices
Hello all, My name is Shakeema; I am 33 years old. I have three children and two dogs. I am an animal lover and wish that I had room for many more animals!!!
Could answer the following question on Communicating with Family and Friends: 1. Describe four reasons that adults become friends
Problem: Write 2 goals for an IEP with 80% accuracy for the year and for each goal give 2 objectives using the following:
Q1. Describe four reasons that adults become friends. Q2. Identify the dimensions that make friendships different from one another.