• Using the law of Constant composition?

    Upon combustion of a 0.144 sample of magnesium 0.090 g of Oxygen is used. Is the sample likely to contain impurities (substance other than mg) and what is their percent by mass? Mg------------ +--------- O2 =====> MgO 0.100 g -------------- 0.66g----------- 0.166 g 0.144g ---------------... show more
    Upon combustion of a 0.144 sample of magnesium 0.090 g of Oxygen is used. Is the sample likely to contain impurities (substance other than mg) and what is their percent by mass? Mg------------ +--------- O2 =====> MgO 0.100 g -------------- 0.66g----------- 0.166 g 0.144g --------------- 0.90g
    1 answer · Chemistry · 6 years ago
  • Is fort lauderdale a good place for summer vacation?

    I wana go there a week just want some recommadation , is Fort Lauderdale a good place and fun too?
    I wana go there a week just want some recommadation , is Fort Lauderdale a good place and fun too?
    3 answers · Other - United States · 9 years ago
  • How many times have u done it?

    7 answers · Words & Wordplay · 9 years ago