You are requested to make20 moles of NaCl into packets of 100g each.(Hint:Molecular mass of NaCI is58.5): Is there any NaCI remaining? If so, how much?

You are requested to make20 moles of NaCl into packets of 100g each.(Hint:Molecular mass of NaCI is58.5): How many packets of NaCI can be pre-pared?

How much grams fo NaCI is needed for making 2 molar solution (NaCI-58.5). W h-at is the amount of water needed for this?

How many unit cells are present in a cube shaped ideal crystal of NaCl of mass 1.00g?(Atomic mass Na-23, Cl - 35.5)

How much BaCl_2 would be needed to make 250mL of a solution having same concentration of Cl^(-) as the one containing 3.78 g of NaCl per 100 mL?

At Oruma Cooperative society, 100 kilogram of wheat grains was bought at 25 rupees a kilogram. 500 rupees was spent in washing, drying, grinding and packaging. 100 packets were made, to be soldat 35 rupees a packet. 20 packets of powder was spoiled and the remaining sold. Did they make a profit or suffer a loss in this sale? How much?

How much copper can be obtained from 100 g of CuSO_4 (Atomic mass of Cu = 63.5, S = 32)

An electric flash lamp has 20 capacitors each of capacitance 5uF connected in parallel. The lamp is operated at 100V. If the energy stored in the combination is completely radiated out in a single flash, how much energy will be radiated in a flash?

Dinitrogen and dihydrogen react with each other to produce ammonia according to the following chemical equation: 'N_2(g)+3H_2(g) rarr 2NH_3(g)' i. Calculate the mass of ammonia produced if '2.00 xx 10^3' g dinitrogen reacts with '1.00 xx 10^3 g of dihydrogen. ii. Will any of the two reactants remain unreacted? iii. If yes, which one and what would be its mass?