Convert the following measurement. kg 3 1.6 x 10° g x10 mol · L mol · dL

Convert the following measurement. kg 4 5.4 x 10 g mol · L mol · dL

A chemist prepares a solution of iron (II) chloride (FeCl₂) by measuring out 1.0 g of FeCl₂ into a 250. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Canions in the chemist's solution. Be sure your answer is rounded to 2 significant digits. 7 mol L 0x x10 X Ś

What is the mass of 3.5 x 10^-3 molecules of copper (II) carbonate? Use correct significant figures and units.

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A chemist prepares a solution of sodium nitrate by measuring out 2.1 *10^2 of sodium nitrate into 450 ml a volumetric flask and filling the flask to the mark with water.Calculate the concentration in the chemist's sodium nitrate solution. Round your answer to  significant digits.

A chemist prepares a solution of iron (III) chloride (FeC13) by measuring out 0.30 g of FeCl3 into a 300. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Canions in the chemist's solution. Be sure your answer is rounded to 2 significant digits. mol L x10 X Ś

An aqueous stock solution is 72.0% HNO3 by mass and its density is 1.42 g/mL. What volume of this solution is required to make 1.50 L of 1.05 mol/L HNO3(aq)? Give your answer in millilitres, accurate to three significant figures.  Enter the correct symbol for millilitres in the units box.     Molar masses(in g mol−1) HNO3, 63.018 H2O, 18.016

What is the molar volume of solid quartz, SiO2?(density =2.65g/cm3) (molar volume is the volume occupied by one mole)

Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous sodium bromide  NaBr  and liquid water  H2O . Suppose 34.8 g of hydrobromic acid is mixed with 13. 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.