At STP there is 112L of HCl gas in a container. Read the stem and answer Q. No. 1 & 2. 1. What is the amount of gas in the container?

You have four fixed-volume containers at STP. Container A has 0.5 mol of gas in 11.2L. Container B has 2 mol of gas in 22.4 L. Container C has 1 mol of gas in 22.4L. Container D has 2 Mol gas of gas in 11.2 L. Which of the four containers have equal pressures

A and C

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answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).