Here is the information given to solver the problem. Please help me. I need to

R

Rohan

New member
know how to do this. Mass of Cr? Here is the information given to solver the problem. Please help me. I need to know how to do this.
Mass of Crucible + M2CO312.627 g
Mass of Crucible 10.655 g
Mass of M2CO31.972 g
Mass of Filter Paper0.598 g
Mass of Filter Paper + CaCO32.436 g
Mass of CaCO31.838 g

I already found out that there are .018 moles of CaCO3

1. Calculate the molar mass of the unknown. (please explain answer well)
2. What is the identity of M2CO3?

Here is the equation
M2CO3(aq) + CaCl2(aq) (R) CaCO3(s) + 2 MCl(aq)
 
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