A solution of ethyl alcohol that is 75% alcohol by weight is to be used as a bactericide. The solution is to be made by adding water to a 95% ethyl alcohol solution. How many grams of each should be used to prepare 400 grams of the bactericide?

Q: A cookie recipe requires 3 3/4 cups of chocolate chips. If you make one third of the recipe, how…

A: 3 3/4 = 15/4 The question can be solved using unitary method.

Q: One batch of walnut muffins uses  1 1/3 cups of walnuts. How many cups of walnuts are needed to make…

A: Since, it is given that one batch of wallnet muffins uses 113 cups of walnuts.Our Aim is to tell how…

Q: For every 6kg of a child's weight, pediatricians prescribe 17mg of acetaminophen. If Lexie weighs…

A: GIVEN- For every 6kg of a child's weight, pediatricians prescribe 17mg of acetaminophen. TO FIND-…

Q: If you have a bottle with 5L of a solution in it and you remove quantities of 1L, 200ml, 50ml, and…

A:

Q: Fenbendazole is an antiparasitic drug used in the treatment of roundworms, hookworms,  whipworms,…

A: Weight of the dog= 50 lb To convter to kg,50/2.2= 22.7kg Ordered dose= 50mg/kg So for 22.7kg dog,…

Q: A health clinic uses a solution of bleach to sterilize petri dishes in which cultures are grown. The…

A: Solution

Q: rubbing alcohol is typically diluted with water to 70% strength. If you need 3.5 oz of 45% rubbing…

A: Let x=amount of 70% rubbing alcohol needed Then 3.5-x=amount of water needed Now we know that the…

Q: You are in charge of drinks for a community barbecue. You need to supply at least 120 cups of…

A: We have to supply 120 cups of beverages to provide enough for the projected number of people that…

Q: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5…

A: The objective of this question is to calculate the dosage of Ibuprofen for a child who is 18 months…

Q: How many grams of a drug will 60ml of a 5.5% solution contain?

A:

Q: 2 A recipe calls for 1 cup of flour for every cup of sugar. If 1 cup of sugar is used, then how much…

A: Given 23cup of sugar for every 1 cup of flourFor 1 cup of sugar let the flour be x cups

Q: The physician ordered Valium 3.5 milligrams intramuscularly every 6 hours as needed for anxiety. The…

A: The physician ordered Valium 3.5 milligrams intramuscularly every 6 hours as needed for anxiety. The…

Q: Diphenhydramine HCL is an antihistamine available in liquid form, part medication and part water.…

A: Given that, one formulation contains 16 mg of medication in 5 mL of liquid. An allergist orders…

Q: The physician orders 50 units of regular insulin in 250 mL of 0.9% normal saline.  If the IV pump is…

A: Given data:     The given amount of insulin in 50 units: X=250 ml. The amount of insulin received by…

Q: Jonathan has 3/4 pound of grapes. How many 1/8 pound servings can Jonathan make from his grapes?

A: I have explained everything within the solution. Please go through.

Q: A pharmacist needs to make 400 mL of a 3% KCl solution by diluting a 6% KCl solution. How many mL of…

A: The initial percentage = 6%  The final percentage=3% So the percentage of KCI decreased by final…

Q: You are serving 40 mixed green salads, each requiring 2 Tbl. of Italian dressing.  How many cups of…

A:

Q: How much water must be evaporated from 7 qt of a 50% antifreeze solution to produce a 70% solution?

A: Quantity of antifreeze solutionSolution percentage

Q: Theophylline, an asthma medicine, is to be prepared from an elixir with a drug concentration of 5…

A:

Q: Which is more​ economical: purchasing the economy size of a detergent at 6kilograms for $6.15 or…

A:

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.