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How many liters of a 40 percent acid solution must be added to 100 liters of a 25 percent solution to obtain a 30 percent solution?
Suppose L litres are required.@ 40% it will contain 0.4L of the active ingredient.Then total volume of mixture = L + 100 litresand volume of active ingredient = 0.4L + 25 litresThe strength is (0.4L + 25)/(L + 100) = 30% = 0.3(0.4L + 25) = 0.3*(L + 100)0.4L + 25 = 0.3*L + 300.1L = 5L = 50 litres.
Do mixtures contain exact ratios of elements?
No, they do not.
What is the definition of have?
to possess; own; hold for use; contain
What temperature scale does not contain negative number?
kelvin scale
The equation of a rational function does not have to contain a rational expression?
false
How much hydrochloric acid would a 2M solution contain?
A 2M solution of hydrochloric acid would contain 2 moles of hydrochloric acid per liter of solution. To determine the amount of hydrochloric acid in a certain volume of 2M solution, you can use the formula: moles = Molarity x Volume (in liters).
What does a weak solution contain?
it contain solvent
What are the expressions that may not contain the equal sign or any type of inequality?
They are expressions.
What is a mathematical phrase containing numbers and letters?
It is an expression when it does not contain an equality (or inequality) sign
What is a solution equal to?
A solution contain a solute dissolved in a solvent.
What composed solution?
A solution contain a solvent and one or more solutes.
What is chloride solution?
This solution contain a specified concentration of sodium chloride.
Does household batteries contain acid?
No, they contain a moist electrolyte solution.
Why the Benedicts solution is blue?
Because this solution contain copper(II) sulfate.
How are solution different from colloides and suspensions?
A suspension contain two or more phases.A colloid contain also suspended microparticles.A solution is monophasic.
What is Solution that does not contain enough solute?
diluteddiluted
Does an acidic solution contain hydroxide ions?
No, an acidic solution does not contain hydroxide ions. Acids donate protons (H+) in solution, while hydroxide ions (OH-) are found in basic solutions.
