Answer :
Answer:
5.9
Explanation: use the formula mass % = mass of solute/mass of solution x 100
add 400g of H2O and 25g of KNO3 to get your mass of solution which is 425
Then device 25/ 425 and multiply by 100 to get 5.88 which rounds to 5.9
Answer:
5.9
Explanation: use the formula mass % = mass of solute/mass of solution x 100
add 400g of H2O and 25g of KNO3 to get your mass of solution which is 425
Then device 25/ 425 and multiply by 100 to get 5.88 which rounds to 5.9