What is the concentration
When 20 mL of a 315 mL stock solution containing 2.2 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution?
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What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.52 g of oxygen?
A hard water sample contains 121 mg of CaCO3 per liter of water. Assuming the reaction goes to completion, calculate the mass of Na3PO4 needed to remove all Ca^2+ ions from 2.50 L of the water sample?
Imagine that you are a food service manager working in the kitchen, and one day a local health inspector walks in. What is the proper procedure for guiding a health inspector through a food service establishment?
The first person is initially moving forward with a speed of 2.50 m/s, and the second person is initially at rest. What are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
If a sample of a compound of carbon and oxygen contains 3.00g of carbon and 8.00g of oxygen, what is the mass percent of carbon in the compound?
What is the control of the boyle's law in a bottle lab?
Calculate the enthalpy change for converting 10.00g of ice at -25.0°C to water at 70.0°C in kJ. The specific heats of ice, water.
If 2.50 mol of copper and 5.50 mol of silver nitrate are available to react by single displacement, identify the limiting reactant.
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The risk factors for morbidity, mortality, disability, and other health issues can be determined through which of the following?
What does practice excellence affect? Need Assignment Help? Negative practice change Positive practice change All of the above None of the above
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