Explanation:
no. of molea of Ca(NO3)2 = given mass/molar mass
no. of moles= 92/ 164 = 0.56 mol
formula=
Molarity = moles of solute /solution in litres
Molarity = 0.56/ 0.4
=1.4 M
hope it helped!
Because they are Isotopes thats why because isotopes have the same atomic number but diffrent mass number
Answer:
2 because it is the second after 3 so the first choice
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The Answer is D
Higher
Answer:101.105⁰c
