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In order to convert one unit to another unit, a conversion factor is always used. A conversion factor is a specific number which relates the two units.
In case of the conversion of kilogram units into grams units, the conversion factor is 103 or E3 g.
i.e. 1 kg = E3 g
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Solved in 2 steps
- We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O 97.5 g O 87.1 g O 13.6 g O 17.6 g O 924 g O 416 g O 385 gWe have 425 cm3 of a material. How many g is it? The material has density of 0.345 g/cm O 68.0 g O 97.5 g O 87.1 g O 13.6 g O 17.6 g O 924 g O 147 g O 385 gAqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O. Suppose 79.3 g of hydrobromic acid is mixed with 24. g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
- How many oxygen atoms are in 2.50 g of NaNO3? The molar mass of NaNO3 is 85.02 g/mol. All answers have units of O atoms. 5.31 x 1022 2.94 x 10-4 3.53 х 10-22 8.82 x 10-2 O 1.77 x 1022Which conversion factor do you use first to calculate the number of grams of iron(IlI) chloride produced by the reaction of 30.3 g of solid iron with chlorine gas? 2 Fe + 3 Cl2 → 2 FeCl3 A. 1 mol Fe 55.845 g Fe B. 3 mol Cl2 2 mol Fe C. 35.453 g Cl2 1 g Fe D. 162.2 g FeCh 2 mol FeCl3 Factor A Factor C None of these is correct Factor D Factor BAqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O.Suppose 61. g of hydrobromic acid is mixed with 44.1 g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. I keep getting this problem wrong because of the sig. digits, dont round till the end because if it is off by 0.1, it will be incorrect.
- The formula for carbon monoxide is CO. a. How many molecules are in 3.35 grams of carbon monoxide? molecules b. What is the mass in grams of 3.58 x 1022 molecules of carbon monoxide? grams5. The density of water at 4.00°C is 0.967 g/mL. How many molecules of water are present in a 499.8 mL bottle of water? Express your answer to the correct number of significant figures. Be sure to show all steps completed to arrive at the answer. 1.615 X 105 molecules water, to solve the equation you can calculate the mass and the water and then convert It to moles and then you calculate the number of moleculesComplete the following equations, using appropriate notations and formulas: a 150 → ? +15 N Kr + 16 ? b ? = ? =
