Asked by Summer

If 10.0 g of substance X dissolved in 100 mL of solution, and the molarity of the solution is 1.0 M, what is the molar mass of substance X?

1000 g/mol
10 g/mol
1 g/mol
100 g/mol
Answered by DrBob222
M X = mols X/L. You know M and L, solve for mols X
Then mols X = grams/molar mass. You know grams and mols, solve for molar mass X.
Answered by Summer
100?
Answered by DrBob222
yes
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