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Chemistry Answers  

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Find No of Moles

Atomic Weight of two elements 'A' and 'B' respectively are 32  and 16 .They combine to form two gases AB2 and AB4 and the Mixture is found to have a vapor  density of 38.4. the no of...

Chemistry Help

A student reacted with the following unknown metal, M, with HCI and collecyed the following data : mass of metal = 0.300, volume of water displaced = 227.3 mL, temperature of H2 =25C , barometric...

what is answer

2.5 g of a mixture of a BaO and CaO when heated with h2so4 ,produce 4.713g of the mixed sulphates . Find the percentage of BaO present in the mixture 

Chemistry- Aspirin lab question

In lab today, we measured the actual yield and melting point of aspirin that we had made in lab last week.  Our actual yield was 2.87 grams.  The theoretical yield was 2.9 g, so the percent...

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