The Molarity of volumetric flask 1 : 1.26 M
The Molarity of volumetric flask 2 : 0.06 M
<h3>Further explanation
</h3>
Dilution is a process of decreasing the concentration of a solution by adding a number of solvents
Can be formulated
M₁V₁=M₂V₂
M₁ = Initial Molarity
V₁ = Initial volume
M₂ = Final Molarity (after dilution)
V₂ = Final volume (after dilution)
Volume of volumetric flask = 500 ml
![\tt M_1.V_1=M_2V_2\\\\9\times 0.07=M_2.0.5\rightarrow M_2=1.26](https://tex.z-dn.net/?f=%5Ctt%20M_1.V_1%3DM_2V_2%5C%5C%5C%5C9%5Ctimes%200.07%3DM_2.0.5%5Crightarrow%20M_2%3D1.26)
![\tt M_1.V_1=M_2V_2\\\\1.26\times 0.023=M_2\times 0.5\rightarrow M_2=0.06](https://tex.z-dn.net/?f=%5Ctt%20M_1.V_1%3DM_2V_2%5C%5C%5C%5C1.26%5Ctimes%200.023%3DM_2%5Ctimes%200.5%5Crightarrow%20M_2%3D0.06)
Osmium atomic number is 76
Answer: D
Explanation: cells are alive
Answer:
955980 j
Explanation:
Given data:
Mass of water = 423 g
Temperature = 100°C
Amount of energy required = ?
Solution:
For one gram of water heat of energy required to convert it into vapors is 2260 j/g.
Amount of heat required for 423 g.
423 g × 2260 j/g = 955980 j
The amount of energy released when one gram steam is condensed into water is -2260 j.
For 423 g water vapor to condensed energy released.
423 g × -2260 j/g = -955980 j
Answer:
True
Explanation:
Pure substances are made of the same material throughout and have the same properties throughout.