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Directions: Solve the following problems. Show your solutions and express your answer in two decimal places. Write your answers in your Science notebook.
1.What is the percent by mass concentration of a salt solution prepared by dissolving 11 grams of salt in 80 grams of solution?
2. A one peso coin has a mass of 5.4 grams. How many grams of copper are in a one peso containing 75% copper by mass?
Please help me with this answer plsss
✔Correct answer -Brainliest answer
❌Nonsense answer -Report
thank you po
Directions: Solve the following problems. Show your solutions and express your answer in two decimal places. Write your answers in your Science notebook.
1.What is the percent by mass concentration of a salt solution prepared by dissolving 11 grams of salt in 80 grams of solution?
2. A one peso coin has a mass of 5.4 grams. How many grams of copper are in a one peso containing 75% copper by mass?
Please help me with this answer plsss
✔Correct answer -Brainliest answer
❌Nonsense answer -Report
thank you po
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1. Total mass of solution = 80g
The percentage mass of salt in the solution= 11×100%/80
= 13.75%