Using a molecular weight of Ca of 40 mole, convert 400m of Ca to L mole/L of Ca. Remember do not input the number as an exponent and do not input the units or your answer will be graded wrong. " 15. Using a molecular weight of Ca of 40 g/mole, convert 400 mg/L of Ca to mole/L of Ca. Remember do not input the number as an exponent and do not input the units or your answer will be graded wrong- 16. Convert 0.001 mal

Help me out please and please check if mass of 3.0M HCl is correct

Explain the problem step by step

versity o... - Kingsbo... lackboard... LEARED4 Method? 7... O True O False QUESTION 9 The molar mass of copper(II) chloride is 134.5 g/mole. O True False Click Save and Submit to save and submit. Click Save All Answers to save all answer 16 MAR 1 23 245 tv Sav

Part C: Determine percent Oxalic Acid in Unknown Sample Molar mass of oxalic acid 90.03 g/mol Trial 1 Trial 2 Trial 3 Average Precision Mass of unknown oxalic acid (g) 1.0048 0.9995 1.0018 --- Volume (mL) of Standardized KMNO4 used Moles of KMnO4 10.03 9.85 10.45 --- --- --- Moles of oxalic acid (H2C204 • 2H2O) --- --- grams of oxalic acid (H2C204 • 2H2O) (g) percent oxalic acid (%) --- --- Show calculations:

Calculating molarity using solute moles 8 A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 41.7 μmol of sodium nitrate into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium nitrate solution. Round your answer to 3 significant digits. mol L Explanation Check X S TaPeSwm0GfVEj... A Q ▬▬▬▬ 0/5 k ©2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility Brine d

What is the mass percent of HCIO3 in a solution made of 38.57 g of HCI03 dissolved in 398 g of water? Please express your answer to the first decimal place. Type your answer..

calculate the number of moles of H2 SO4 in one liter ie the molarity

Im supposed to find the molar ratio and the empiricle formula from my data but im confused. At the bottom left is where I'm trying to find the moles of each substance. Am I doing this right? help.

10 Complete the data table using the calculation process you used to complete the previous question. Be sure to keep a copy of the completed table to include in the lab report for this experiment. 1.00 M Acetic Acid volume Trial 1 25.0 mL HC2H3O2 NaHCO3 Mole Ratio Molar Mass: 84.007 g/mol moles HC2H3O2: NaHCO3 moles mass needed 3:1 Trial 2 25.0 mL 2:1 24 Trial 3 25.0 mL 1:1 Trial 4 25.0 mL Trial 5 25.0 mL *All values should contain three (3) significant digits. 1:2 1:3