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1. If 0.890 g of potassium and 0.590 g of chromium react with 0.727 g of oxygen, what is the empirical formula of the compound?
2. The percentage composition of tin (IV) chloride is 45.9% Sn and 54.1% Cl by mass. What is the empirical formula of tin (IV) chloride? (Hint: Assume you have a 100.0 g sample, and 45.9 g are Sn, and 54.1 g are Cl)
3. The formula of a compound is 184. Analysis of the compound shows that there is 1.216 g of nitrogen and 2.772 g of oxygen in the compound. What is the molecular formula for this compound? (Hint: find the empirical formula first)
Answers: 2
Chemistry, 22.06.2019 01:00, AIhunter2884
Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using
Answers: 2
Chemistry, 22.06.2019 07:00, shradhwaip2426
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
Answers: 3
Please help me, will mark brainliest :)
1. If 0.890 g of potassium and 0.590 g of chromium react wi...
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