How much calcium nitrate in `mg` must be present in `50ml` of a solution with 2.35 ppm of ca

How much Ca(NO_(3))_(2) in mg must be present in 50 ml of a solution with 2.35 ppm of Ca?

How may moles of H_(2)O_(2) must be present in 2L of its solution, such that 100 ml of the solution can liberate 3.2 grams of oxygen at 273^(@)C and 0.5 atm pressure?

How many moles of sodium chloride present in 250 mL of a 0.50 M NaCl solution ?

30 ml of N/10 HC1 is required to neutralize 50 ml of a sodium carbonate solution. What volume of water (in ml) must be added to 30 ml of Na_2 CO_3 solution so that the final solution has concentration N/50?

How much copper is present in 50 g of CuSO_4

Calculate the normality of NaOH when 2 g is present in 800 mL solution.

Calculate the normality of NaOH when 2 g is present in 800 mL solution.

Calculate the mass of anhydrous Ca_3(PO_4)_2 present in 250 ml of 0.25 M solution.

Calculate the mass of anhydrous Ca_3(PO_4)_2 present in 350 ml of 0.25 M solution.

Calculate the mass of anhydrous Ca_3(PO_4)_2 present in 150 ml of 0.25 M solution.