Mixed 100 g of 60% alcohol and 40 g of 70%. Find w of the resulting solution.
| December 9, 2020 | education
1) 100 * 0.6 = 60g of pure alcohol
2) 40 * 0.7 = 28g pure alcohol
3) 100g + 40g = 140g the mass of the entire solution
4) w = 88g / 140g * 100% = 63%
Answer: 63%
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
