Wednesday
April 23, 2014

Posts by MBH


Total # Posts: 5

Chemistry Help!
To what volume must 290.0 mL of 4.50 M Al(NO3)3 be diluted to produce 2.40 M Al(NO3)3? ____ mL?

Chemistry HELP
If 150.0 mL of 1.00 M C6H12O6 are diluted to 750.0 mL, what is the molarity of the final solution? ____ M?

Chemistry Help please!
What mass of Na2CO3 is required to prepare 607.0 mL of 0.250 M solution? Use a molar mass with at least as many significant figures as the data given. ____g?

chemistry
Calculate the molarity of each ion in 0.300 M Na2SO4. Enter a zero for an ion that doesn't occur in the compound. ______ M Na1+ ______ 2 M S2- ______ 3 M O 2- ______ M SO42-

Chemistry Help
If 230.0 mL of 0.100 M H2SO4 are mixed with 280.0 mL of 0.300 M H2SO4, what is the molarity of the final solution? in M

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