Answer:
100ml of a stock 50% KNO3 solutions are needed to prepare 250ml of a 20% KNO3 solution.
Explanation:
In the given question it is mentioned that
S1=50%
V2=250ml
S2= 20%
We all know that
V1S1=V2S2
∴V1= V2×S2÷S1
∴V1= V2S2×1/S1
∴V1= 250×20÷50
∴V1= 100ml
An example of an extensive property of matter is "mass"
Answer:
Option D - It tells which compounds will dissolve in water.
Explanation:
It is used to predict whether or not a given ionic compound is soluble.
Hey there,
Question : <span>A climate with short cool summers and long, bitterly cold winters is the?
Answer : D, Tundra Climate
Hope this helps :))
<em>~Top♥</em>
</span>
Answer:
Explanation:
First you will find the mole from the molarity and then the desired mass from the mole.
