Nitric acid

We want to prepare 200 g of 30% nitric acid. We have enough 12% and 60% of this acid. How many of which will we need?

Correct answer:

a =  125 g
b =  75 g

Step-by-step explanation:

m=200 g c1=12%=10012=253=0.12 c2=60%=10060=53=0.6 c=30%=10030=103=0.3  a+b=m c1 a+c2 b=c m a+b=200 0.12 a+0.6 b=0.3 200  a+b=200 0.12a+0.6b=60  Row20.12 Row1Row2 a+b=200 0.48b=36  b=0.4836=75 a=200b=20075=125=125 g  a=125 b=75



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.

You need to know the following knowledge to solve this word math problem:

Units of physical quantities:

Themes, topics:

Grade of the word problem:

Related math problems and questions: