Chemistry

Chemistry, 31.07.2019 05:00, cjjjjjjjjjjjjj

Number of grams in four moles of baco3

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Mathematics, 08.07.2019 22:10, alyssagonzales2021

100 rules: have to answer correctly have to answer all 16 questions only answer if you only know the answer partial answers or incomplete answers not accepted will be reported point stealers beware 1) how many moles are there in 24.5 grams of cof3? 2) how many molecules are there in 150.00 grams of na2so4? 3) how many moles are there in 2.3 x 1024 atoms of sulfur? 4) how many grams are there in 7.40 x 1023 molecules of ph3? 5) how many moles are there in 7.5 x 1023 molecules of h2so4? 6) how many molecules are there in 55.5 grams of cu(clo¬3)2? 7) how many grams are there in 8.20 x 1025 molecules of water? 8) how many molecules are there in 238.05 grams of co2? 9) how many molecules are there in 2.35 grams of nh4f? 10) how many grams are there in 1.50 x 1023 molecules of n2h6? 11) how many molecules are there in 20.40 grams of sicl4? 12) how many grams are there in 3.50 moles of alcl3? 13) how many moles are there in 4.50 x 1022 molecules of ch4? 14) how many molecules are there in 9.34 grams of no? 15) how many grams does 4.00 moles of uf6 weigh? 16) how many moles are there in 230.0 grams of nh4oh?

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Chemistry, 31.07.2019 05:00, arryahc

Number of grams in four moles of baco3

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Chemistry, 28.09.2019 16:50, stevend0599

How many grams are there in 21.3 moles of baco3?

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Chemistry, 15.10.2019 02:00, leoisawesome18

I'm working on a problem that says: a 4.00 gram sample of a mixture of cao and bao is placed in a 1.00 l vessel containing co2 at a pressure of 730 torr and a temperature of 25c. the co2 reacts with the cao and bao forming caco3 and baco3. when the reaction is complete, the pressure of the remaining co2 is 150 torr. a) calculate the number of moles of co2 that have reacted. i already did this part and got 0.0312 moles co2. i am stuck on the second part though. b) calculate the mass percentage of cao in the mixture. i know it will have something to do with grams of cao = x and grams bao = 4-x but i don't know how to solve from there. if anyone could that would be great !

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