Solution-How many grams of solid nano3 crystallised after

How many grams of solid nano3 crystallised after cooling

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Reference no: EM132669763

Q1 .A solution containing 80 g of NaNO3 in 75 g of H2O at 50 oC is cooled to 20 oC.

a) How many grams of NaNO3 remain in solution at 20 oC?

b) How many grams of solid NaNO3 crystallised after cooling?

Q2. 5. The daily output of stomach acid (gastric juice) is 1000 mL to 2000 mL. Prior to a meal, stomach acid (HCl) typically has a pH of 1.42.

a) What is the [H3O+] of stomach acid? MY ans is 0.038M

b) One chewable tablet of the antacid Maalox contains 600 mg of CaCO3. Write the neutralisation equation, and calculate the millilitres of stomach acid neutralised by two tablets of Maalox.

c) The antacid milk of magnesia contains 400 mg of Mg(OH)2 per teaspoon. Write the neutralisation equation, and calculate the number of millilitres of stomach acid neutralised by one tablespoon of milk of magnesia (one tablespoon = three teaspoons).

Reference no: EM132669763

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How many grams of solid nano3 crystallised after cooling

Reference no: EM132669763

Reference no: EM132669763

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