Question regarding dilute solution
A 250 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution?
Expected delivery within 24 Hours
A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day. If the decay constant of carbon-14 is 1.2 × 10-4 y-1, what is the age of the dish?
Calculate the mass of hydrogen per oxide needed to obtain0.460Lof oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g)
The half-life of strontium-90 is 28 years. How many grams of this nuclide in a 4.00 g sample will remain after 112 years?
Calculate the mass of glucose in a 105 sample of a 1.18 glucose solution.
Why is a buffer composed of HC2H3O2 and NaC2H3O2 more effective maintaining the pH of a solution at pH 4.75 than is a buffer composed of HCN and NaCN?
Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL. How much concentrated solution would you take to prepare 1.15L of 0.105M HNO3 by mixing with water? & ;
Assuming the acceleration is constant during each time interval (but not necessarily the same in both intervals), what distance does the shuttle travel during the first 8.00s ?
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g. What is the chemical formula for this compound?
1943671
Questions Asked
3,689
Active Tutors
1438437
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A military officer retires from serving and wants to continue healthcare coverage using a product provided by the military as it is most cost effective.
What condition is the examiner looking for by elevating the anterior vaginal wall and inspecting the posterior vagina while asking the patient to bear down
Define what person-centered care means to you. Describe how you will apply the following principles in your future role as an advanced practice nurse.
What strengths do you observe in the facilitator's skills? What group dynamics do you observe, and how does the facilitator manage group dynamics?
Consider a complex health problem or issue routinely encountered in your practice. Apply social-ecological perspective to consider how to better address
Describe two educational barriers patients face and the impact of these barriers on health. Discuss two strategies to employ when educating patients in your fut
Individuals covered by a high deductible health plan within a preferred provider organization use fewer outpatient services and shop around for lower cost