I'm having trouble with them and idk what to do 2. A student has identified a material as a mixture. What is the minimum number of distinct substances that the student has detected...
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A solution that is 10% antifreeze is mixed with a that is 20% antifreeze to produce 50L of solution that is 15.6% antifreeze. How many liters at the 10% solution are used?
a quantity of 60% and 37.5% milk solution from two vessels A and B whose capacities are in the ratio 5:8 are poured into third vessel C. what is the concentration in vessel A if the ratios of milk...
A bottle of mineral water contains 16oz. of liquid with 4% calcium content. How many ounces of this liquid shoud be poured out and replaced with a 6% calcium solution to obtain a 4.5% calcium solution...
Rachel is setting up a 20-gallon saltwater fish tank that needs to have a salt content of 3.5% If Rachel has a container of water that has 2.5% salt content and another container of water that has...
Big Dog sells a beef-based dog food for $2.30 per pound and a lamb-based food for $3.80 per pound. They sell a mixture of the two kinds of food for $2.90 per pound. Let b represent the amount...
if there are 24 grams of water and 4 grams of hydrogen, how many grams of oxygen will you have?
This is a linear equation involving a mixture. I am unsure how to solve
One canned juice drink is 30% orange juice; another is 10% orange juice. How many liters should be mixed together in order to get 20L that is 21% orange juice?
what is the percent concentration of the resulting mixture? Round to the nearest tenth of a percent.
A student mixed 50ml of a 3% hydrogen peroxide solution with 30 ml of a 12% hydrogen peroxide solution. Find the percent concentration of the resulting mixture. Round to the nearest tenth of a percent...
A radiator contains 15 quarts of fluid, 10% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 30% antifreeze?
i keep doing this one over and over and i must be not setting it up correctly.help! quesiton:how many liters of a 15% salt solution must be added to 2 liters of a 30% salt solution to yield a...