O CHEMICAL REACTIONS Uusing molarity to find solute moles and solution volume A chemist adds 1.50 L of a 2.0M sodium nitrate (NaNO, solution to a reaction flask. Calculate the millimoles of sodium nitrate the chemist has added to the flask. Round your answer to 2 significant digits. ||mmol
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- How many mL of 0.556 molar magnesium chloride must a scientist pour into a beaker to have 17.6 g of magnesium chloride in the beaker? Put answer in box in regular non scientific notation with one past decimal.A chemist must dilute 16.6mL of 2.03M aqueous zinc nitrate ZnNO32 solution until the concentration falls to 1.00M. She'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits.Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H₂O). Suppose 32.4 g of hydrochloric acid is mixed with 63. g of sodium hydroxide. Calculate the maximum mass of sodium chloride that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. g 10 X IEE olo Ar (Please type answer no write by hend)
- Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O. Suppose 1.62 g of hydrobromic acid is mixed with 0.45 g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Round your answer to 2 significant digits.A chemist must dilute 14.9mL of 1.88M aqueous sodium carbonate (Na2CO3) solution until the concentration falls to 1.00M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits.A chemist must prepare 300.mL of 2.00M aqueous silver perchlorate AgClO4 working solution. He'll do this by pouring out some 5.62molL aqueous silver perchlorate stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the silver perchlorate stock solution that the chemist should pour out. Round your answer to 3 significant digits.
- An aqueous stock solution is 85.0% H3PO4 by mass and its density is 1.69 g/mL. What volume of this solution is required to make 1.25 L of 2.55 mol/L H3PO4(aq)? Give your answer in millilitres, accurate to three significant figures. Enter the correct symbol for millilitres in the units box.the us national institute of standards and technology used mercury gauge as a primary standard for pressure until is was decommissioned in 2019. the device was 3.00 meters tall and contained 225 kilograms of mercury. if the density of mercury is 13.6 g/ml, what was the volume of mercury contained in this device in liters?A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 6.4102 x 10^2 μmol of silver(I) nitrate into a 450.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver(I) nitrate solution. Round your answer to 2 significant digits.
- Aqueous 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 57.3 g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.Methanol (CH4O) has a density of 0.791 gmLgmL and a molar mass of 32.05 gmolgmol. How many moles of methanol are in a 0.834 mL (milliliter) sample of methanol? Report your answer rounded to the proper number of significant figures.Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H_2O). Suppose 47. g of hydrobromic acid is mixed with 38.5 g of sodium hydroxide. Calculate the minimum mass of hydrobromic add that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.